What is a Celtic tomb doing in Egypt? Dan Kotler ('The Coelho Medallion') is back in this thrilling prequel! Dan Kotler can't turn away from a good historic mystery. And finding a tomb for a Celtic god in a mountainous region of Egypt certainly qualifies. As Kotler investigates, he finds an amazing array of artifacts and evidence, and all of it points to something so remarkable it could redefine history—if Kotler can survive long enough to reveal it to the world. Join Dr. Kotler for an adventure an Egyptian adventure with a Celtic twist in this thrilling prequel to 'The Coelho Medallion.' — RE: The Coleho Medallion “Kevin has crashed onto the action-thriller scene as only an action-thriller author can: with bombastic plot lines, unforgettable characters, and enough adrenaline to keep you awake all night.” —Nick Thacker, author of 'The Enigma Strain' — HERE'S WHAT READERS ARE SAYING ABOUT KEVIN TUMLINSON'S BOOKS: ★★★★★ “\[Kevin Tumlinson\] is what every writer should be—entertaining and thought-provoking.” — Shana Tehan, Press Secretary, U.S. House of Representatives ★★★★★ “There was something so fascinating about \[Citadel\] and the cast of characters \[Kevin Tumlinson\] put together.” — Leah Petersen, Author of Fighting Gravity ★★★★★ "I discovered Kevin Tumlinson from The Creative Penn podcast and immediately got his novel, Evergreen. I read it in like 3 seconds. It's the most fast paced story I've encountered." —R.D. Holland, Amazon Reviewer ★★★★★ "\[Sawyer Jackson and the Long Land\] was a great read! I love these style of books—magic, science fiction, alternate reality. I couldn't put it down." —S., Amazon Reviewer

The adventure begins in the first Dan Kotler archaeological thriller! This edition has been revised to correct editing errors after an earlier draft was mistakenly uploaded. An ancient medallion is unearthed in Pueblo, Colorado, revealing a secret that will rewrite the history of North America—the Vikings somehow made it to the continent's interior, centuries before Columbus made landfall, and there they built a city of gold. But today the COELHO MEDALLION has been stolen, and a linguist and researcher has been abducted in connection with the crime. Could the abductors be after the fabled city of gold? Or do they have a more sinister plot in mind? DAN KOTLER is an independent researcher who often finds himself in more trouble than he was expecting. But when his colleague is abducted he finds himself being investigated by the FBI, he must use all of his brilliance and expertise to find her and absolve himself. ANWAR ADHAM has plans for a terrorist action on U.S. soil, and information from the Pueblo research site can give him everything he needs to put his plans in motion. Unless Adham is stopped, thousands and possibly millions will die. Whoever wins this contest of wits and wills will hold the fate of thousands in his hands, and will also lay claim to the fabled city of gold. It's an adventure that can redefine the history of America as we know it. Kotler finds himself facing off against both the FBI and Adham's terrorist network as he struggles to solve the mystery of Vikings in Colorado, to rescue Evelyn and stop Adham's plans before it's too late. — ★★★★★ “[Kevin Tumlinson] is what every writer should be—entertaining and thought-provoking.” — Shana Tehan, Press Secretary, U.S. House of Representatives ★★★★★ “There was something so fascinating about [Citadel] and the cast of characters [Kevin Tumlinson] put together.” — Leah Petersen, Author of Fighting Gravity ★★★★★ "I discovered Kevin Tumlinson from The Creative Penn podcast and immediately got his novel, Evergreen. I read it in like 3 seconds. It's the most fast paced story I've encountered." —R.D. Holland, Independent Reviewer ★★★★★ "[Sawyer Jackson and the Long Land] was a great read! I love these style of books—magic, science fiction, alternate reality. I couldn't put it down." —S., Independent Reviewer

1914— Thomas Edison stands and watches his West Orange laboratory burn to the ground, taking his life’s work with it. And he smiles. In his pocket is a stone that is the key to untold mysteries, and with it he will start fresh, and create wonders beyond any of his previous work. 1974— Two US Army Special Forces officers uncover a lockbox filled with invaluable enemy intelligence that can turn the tide of the Vietnam conflict. Among the papers and maps is another stone, nearly identical to Edison’s. With this, the two officers will build a financial empire, corrupt to its core but powerful enough to elude even the FBI. TWO STONES, FOUND SIXTY YEARS APART, AND BOTH HOLDING CLUES TO WHAT MAY BE THE LOST CITY OF ATLANTIS Today—Dan Kotler, independent researcher and archaeologist, is winding down from the events surrounding the theft and recovery of the Coelho Medallion, and discovering that the fallout of this history-altering adventure reaches further than he’d imagined. As academic colleagues shun him and the press hounds him, Kotler finds himself looking for a new purpose. When Gail McCarthy, granddaughter of one of Manhattan’s wealthiest real estate moguls, brings an ancient stone to Kotler’s attention, he finds himself embroiled once again in intrigue, jeopardy, and mystery. This time he may uncover one of history’s oldest secrets—if he survives long enough. Working with his friend from the FBI, Agent Roland Denzel, Kotler strikes out on a quest to uncover and solve the Atlantis Riddle, and once again rewrite history as we know it. — ★★★★★ “Kevin has crashed onto the action-thriller scene as only an action-thriller author with provocative plot lines, unforgettable characters, and enough adrenaline to keep you awake all night.” —Nick Thacker, author of The Enigma Strain ★★★★★ “[Kevin Tumlinson] is what every writer should be—entertaining and thought-provoking.” — Shana Tehan, Press Secretary, U.S. House of Representatives ★★★★★ “There was something so fascinating about [Citadel] and the cast of characters [Kevin Tumlinson] put together.” — Leah Petersen, Author of Fighting Gravity ★★★★★ "I discovered Kevin Tumlinson from The Creative Penn podcast and immediately got his novel, Evergreen. I read it in like 3 seconds. It's the most fast-paced story I've encountered." —R.D. Holland, Independent Reviewer ★★★★★ "[Sawyer Jackson and the Long Land] was a great read! I love these style of books—magic, science fiction, alternate reality. I couldn't put it down." —S., Independent Reviewer

As new technology, based on forbidden historic research, emerges, it quickly turns from hope for millions to a potential threat to billions. Famed rock-star-turned-philanthropist, Ashton Mink, is murdered in his Manhattan high-rise apartment, leaving behind the words “Devil’s Interval” as the only clue to the killer’s identify or motives. Dan Kotler, archeologist and consultant with the FBI’s new Historic Crimes Division, and Agent Roland Denzel, of the FBI, are called to the scene of Mink’s murder, and asked to help in the investigation. What they discover is a secret project, based on the research of historic figures such as Sir Isaac Newton, that could alter the course of history and enslave humanity. Devil’s Interval is a technology so dangerous it was buried twice, only to return and endanger humanity again. With the assistance of New York Police Detective, Peter Holden, Kotler and Denzel embark on another adventure, racing against the clock to solve Mink’s murder, recover stolen technology, and prevent an act of terrorism against all of humanity. The Next Sound You Hear Could Change Everything. Read Devil’s Interval Now! Scroll up and pick up your copy of the third full-length Dan Kotler thriller today.

When Broadway star Maggie Hamilton disappeared five years ago, it was a mystery that captured the imaginatinons of everyone. When her body turns up in the tomb of a Mayan god, it opens the door for an evil that could consume the world. Dan Kolter and Agent Roland Denzel are back, and just in time, as a new threat emerges that could mean the end of all humanity. A mysterious figure has his sights on the contents of a lost Mayan tomb, and Kotler and company will need to use all of their resources, intelligence, and any luck they may have to keep an ancient curse at bay. In this fourth full-length adventure, Dr. Dan Kotler faces off with the most clever death traps the Mayan culture ever concieved, using his wits and his skills to keep himself and everyone else alive. Even if he escapes the Mayan tomb, it could be too late.

For the past two years, Gail McCarthy has been a constant source of danger and chaos in the lives of Dan Kotler and his FBI partner, Roland Denzel . Her vast smuggling empire empowers her to move about in the world without the worry of capture, as she spearheads criminal activities on a global scale. Guns, drugs, human trafficking—there's no black-market industry she doesn't touch or flat-out control, and she has the power to continually stay ahead of the world's top law enforcement agencies. Now she has her sights set on a new treasure—one that could fuel her rise to the status of a world power, and make her invincible. Kotler and Denzel race the clock to solve the riddle of the Antarctic forgery and stop Gail from getting her hands on a weapon that Hitler himself once coveted. The Antarctic Forgery is the fifth full-length novel in the Dan Kotler Archaeological thrillers.

History has its secrets, and someone wants them all. Behind six feet of steel, buried under the streets of Manhattan, lies the Black Chamber—a room that once housed a team of codebreakers who would one day help to found the NSA. “Imagine a writer that combines the best aspects of Cussler, Rollins, Berry, and Brown all into one. That’s Kevin Tumlinson.” —Ernest Dempsey, Author of The Forbidden Temple Abducted by a brutish professional killer, two physics professors are left with little food and limited air. Time is running out. Agent Roland Denzel and Dr. Liz Ludlum are led to a government-sealed room by an unseen figure, where they find a century-old manuscript filled with riddles. Is it the key to opening the Black Chamber? What other secrets does it hold? Dan Kotler returns in this codebreaking thriller, filled with enigmas, mysteries, and danger at every turn. Kotler must solve the Stepping Maze before time runs out ... for everyone. The Stepping Maze is the sixth full-length novel in the Dan Kotler Archaeological thrillers.

WHAT IF THE GODS WERE REAL? That's the question Dr. Dan Kotler—Archaeologist and FBI Consultant—finds himself struggling to answer after a Druidic tomb is unearthed in the mountains of Egypt. Why did the Druids build a site in Egypt, thousands of years ago? And what implications does this site have for human history? Kotler's not the only one looking for answers. The Alihat Iadida—the New Gods—is a powerful cult that wants control of the site, and of the bronze sword that Kotler himself helped to discover, twenty years earlier. That sword could be the key to unlocking the Otherworld—the realm of the gods, and a source of world-dominating power. Dr. Kotler and Agent Roland Denzel once again find themselves facing threats and dangers, fighting for their lives in the mountains of Egypt. And this time, they may face the gods themselves. Picking up where his novella, "The Brass Hall," left off, Kevin Tumlinson takes readers on another thrilling ride through misplaced history, with stakes that could change the world. THE GOD EXTINCTION IS THE SEVENTH NOVEL IN KEVIN TUMLINSON'S DAN KOTLER ARCHAEOLOGICAL THRILLERS .

Hidden somewhere in the mountains near Colorado Springs is a vault filled with treasures gathered throughout the ages. A secretive order—the Knights of Jani—gather and guard these treasures out of a profound respect for their power and history. Now, Dr. Dan Kotler finds himself recruited to help the Jani protect these ancient artifacts from an enemy arising within the order. He must solve the riddle of the Jani Sigil—or everything will be lost.

THEY BELIEVE SECRETS GIVE THEM POWER World War II—Hitler is obsessed with gathering ancient knowledge and artifacts from around the globe, in an effort to consolidate the wisdom and power of long-gone cultures and rule the modern world. The División Azul—the Blue Division—is a Spanish military force fighting for the Nazis against the Russians on the Eastern Front. They are skilled, cunning, and capable, acting as a scalpel on the battlefield and bringing Hitler one victory after another. But unknown to Hitler, an ancient secret order has infiltrated the ranks of the Blue Division, and are secretly working against Hitler's interests, preserving the most dangerous and powerful artifacts in a vault hidden deep in the mountains of the Sonoran Desert, in Arizona. Dan Kotler—Archaeologist and FBI Consultant—is back, along with his partner Agent Roland Denzel. Together they race to solve the riddle of the Spanish Papers and to prevent a rogue organization from using the vault of ancient treasures to succeed where Hitler's forces failed. The fate of the modern world—and that of billions of lives—is at stake. This is the eighth full-length novel in the Dan Kotler Archaeological Thrillers, and it is a sequel to the exclusive short story The Jani Sigil, which you can download for free at kevintumlinson.com/joinme.

Fourteen members of Congress,abducted right from the Senate floor. For centuries the Jani have hidden among us, gathering artifacts of great historical significance, accumulating power, infiltrating the highest offices of governments around the world. The Jani have influenced history for nearly two millennia. Within the Order, a new faction arises: The Novensiles. Using the power and reach of the Jani, this new group wants to create a true new world order. And now they are accelerating their plans. When fourteen members of the Senate are abducted on live television signs point to the Jani. Doctor Dan Kotler and Agent Roland Denzel are called in to help find the Congresspeople and to uncover the plans of this hidden Order before they can use their influence to take dominion over the world. Influence is the currency of the Novensiles and the Jani. Kotler and Denzel may pay a higher price. THE HIDDEN PERSUADERS IS THE NINTH FULL-LENGTH NOVEL IN KEVIN TUMLINSON'S DAN KOLTER ARCHAEOLOGICAL THRILLERS

An ancient drug will determine humanity's future Makry ypno. Long Sleep. Lost in the darkness of history for millennia, referenced only in obscure Greek medical texts, this strange plant holds the key to allowing humanity to survive global threats by escaping to the stars. That is, if a team of mercenaries with a grudge doesn't get it first. Dr. Dan Kotler—polymathic anthropologist and FBI consultant—teams with his FBI partner, Agent Roland Denzel, to investigate the murder of an archaeobiologist, hot on the trail of a source for makry ypno. All signs point to the possibility of its existence, deep within the Mojave Desert, and it's potential use by Native Americans in the region. But Kotler and Denzel are not the only ones on the trail of this ancient drug. A team of mercenaries, led by an enemy from Kotler's past, has found the makry ypno first... and are willing to kill anyone to keep it under their control. THE SLEEPER'S WAR IS THE TENTH FULL-LENGTH NOVEL IN KEVIN TUMLINSON'S DAN KOTLER ARCHAEOLOGICAL THRILLERS

ANCIENT MYTH MEETS DARK SCIENCE, AND GODS AND KINGS WILL RISE AGAIN Following the events of The God Extinction and The Hidden Persuaders, Dr. Dan Kotler finds himself embroiled in a plot that turns out to be "the family business." Kotler's grandfather—Richard Kotler—has resurfaced, along with thirty-six genetic samples, stolen from various archaeological dig sites worldwide. Using a new, dark science, and the resources of an ancient order bent on world domination, Richard intends to resurrect gods and kings, and unleash them on the world. Kotler and his FBI partner, Agent Roland Denzel, race to Göbekli Tepe—the Turkish dig site harboring the oldest known temple in the world—to track down one last key to stopping Richard's plot. Will they unravel the mystery in time? Or will the gods once again walk the Earth? The GOD RESURRECTION is the ELEVENTH full-length novel in Kevin Tumlinson's Dan Kotler thrillers. YOUR NEXT ADVENTURES STARTS HERE. PICK UP THE GOD RESURRECTION NOW! Find more about the Dan Kotler Thrillers online at DanKotler.com

What could be safer than Ol' Saint Nick? Displayed in Italy's Basilica di San Nicola, the bones of Saint Nicholas have been a popular tourist attraction for over a century. More, they have been reputed to be the source of miraculous healing for anyone who comes into contact with them. When the bones are stolen, in broad daylight, the Italian government requests the aid of the FBI's Historic Crimes division. Doctor Dan Kotler, archaeologist and FBI consultant, joins his partner, Agent Roland Denzel, in a quest to find and recover the bones of Saint Nicholas, and return them to the Basilica. No guns. No jurisdiction. No backup. Kotler and Denzel will need a Christmas miracle to get out of this one alive.

FORGOTTEN SECRETS UNLEASH A RISING DARKNESS IN THE WORLD The Demon Core—history records that the third and final plutonium core meant for Hiroshima was destroyed nearly a century ago. But history is wrong, and now the core reemerges in the hands of a rising power, a man bent on the destruction of the modern world. When the Governor of New York is murdered, the terrorists make two demands: Show the world the contents of Fort Knox, and step down from power—or the Demon Core will wipe Washington, DC from the map. Dr. Dan Kotler and Agent Roland Denzel are tasked with hunting down the history of the Demon Core, and to track the man who stole it in his bid for vengeance. Will they find the truth in time to save the world from a fiery holocaust?

SOME TESTS ARE LIFE OR DEATH DAN KOTLER—Archaeologist, occasional FBI Consultant, certified Trouble Magnet—just wanted a vacation. And an invitation to help uncover and explore a newly discovered Templar tunnel seemed like just the ticket. When a group of thieves take control of the tunnel, in search of its hidden trove of treasure, Kotler finds himself forced to face an ancient rite of passage, in a network of traps and trials laid about by the Knights Templar, a thousand years ago. It will take everything Kotler knows to get him through this one. CAN KOTLER SURVIVE THE TEMPLAR INITIATE'S PATH?

Dr. Dan Kotler has a talent for tracking down unusual and cryptic history that would otherwise be lost to time. An archaeologist with a knack for reading people and putting together the pieces of a scattered and mysterious past, Kotler is recruited by the FBI as part of its new Historic Crimes Division. He and his partner, Agent Roland Denzel, face every danger that history and mythology can throw at them—to keep powerful objects and ancient secrets from falling into the hands of those who would use them to rule the world. This collection combines Books 1-3 of the Dan Kotler Archaeological Thrillers. For more, visit the author at kevintumlinson.com/books.