Ruthless international diamond smugglers think they’ve gotten away with the perfect crime, stealing the famous Ramesses diamonds from the Hancock Museum of Archeology. Until… Twelve-year olds Ava and Carol explode onto the scene. Bursting at the seams with energy and sass, the humbly hip duo is determined to catch the bad guys and return the stolen jewels. It’s a race against time as the girls realize the thieves plan on smuggling the diamonds out of the country. If they don’t hurry, the bad guys will get away and the priceless diamonds may be lost forever! Ava & Carol Detective Agency - The Mystery of the Pharaoh's Diamond is a middle grade mystery that's perfect for curious-minded middle-schoolers. If you and your child like puzzling mysteries, fearless and funny characters, and unbreakable friendships, then you’ll love Thomas Lockhaven’s high-energy adventure. Buy The Mystery of the Pharaoh’s Diamond and follow the clues in a crime-solving sensation today!

Which would you choose? Helping an old man that’s being kidnapped, or endless plates of delicious pasta? On this second book of the Ava & Carol Detective Agency series, Ava and Carol were about to take a stroll through Italy, when an old man is chased down and then thrown into the back of a car. At the last second, using sign language he sends a secret message to the girls. The girls hide in the shadows as the car races away. Fearing for the man’s life, the girls begin to track down clues. Only what they discover this time, is a religious relic that has magical powers. Suddenly evil and powerful villains are chasing them. The clues lead to France, where Ava and Carol are thrust into a secret battle between the Knights Templar and a group of criminals that will stop at nothing, to get Solomon’s Ring.

A Christmas Mystery Story It's Christmas, so why not accept a dare to explore a creepy old haunted house? In this third book of the Ava & Carol Detective Agency series, fearless best friends Ava and Carol set out to prove that the Butcher house isn't haunted. Only, Carol is pretty sure she saw something inside one of the windows, and moments later, they are chased by a headless monster?! The girls receive an ominous threat: Stay Away or Else! Now, more than ever, the girls are determined to find out who is trying to scare them away. But before they can continue their investigation, a string of mysterious robberies take place. The thieves simply vanish without a trace. Join Ava and Carol as they race against time to track down a headless monster terrorizing the neighborhood, solve the mystery behind the Butcher house and stop a band of ruthless thieves before they strike again!

A famous Van Gogh painting has been stolen from the National Gallery of Art. Or was it? Why risk such a brazen robbery in broad daylight? Was the theft a ruse for something more nefarious?Join super sleuths Ava and Carol as they unravel a secret plot that may lead to a fortune, hidden during the Civil War. The clues lead the girls from the National Gallery of Art in Washington D.C. to a famous historic church in Richmond, Virginia to the mighty James River—where they are caught up in a high stakes-race to solve the mystery and find the treasure before the thieves. Things go from bad to worse when the malicious-minded-thieves begin targeting Ava’s parents, and threaten her father’s life, if the girls don’t back down. Will Carol and Ava get to the treasure in time, save Ava’s father, and put the bad guys where they belong? Follow the clues in this riveting middle-school mystery thriller. Ava & Carol Detective Agency - The Eye of God is the fifth book in this middle grade mystery series that's perfect for curious-minded middle-schoolers. If you and your child like puzzling mysteries, fearless and funny characters, and unbreakable friendships, then you’ll love Thomas Lockhaven’s high-energy adventure. Buy The Eye of God, a suspenseful mystery romp that is bound to delight your child! Has been shelved adventure books for girls 12-14book series for girls age 9-12 christianbooks for twelve year old girlsmystery books for kids age 11-13historical fiction for girls 9-12historical fiction for children 9-12mystery books for girls 12-15funny books for girls age 9 12children mystery serieschristian mystery books for kids 9-12Ava & Carol Detective Agency fans also love the BravelandsRebekah - Girl DetectiveA Series Of Unfortunate EventsIvy And BeanWild RobotAmuletNancy Drew MysteriesThe Prince Martin Epic SeriesThe Puzzled Mystery Adventure SeriesMiddle SchoolThe Whodunit Detective AgencyThe Sen Kids

The Amazon Jungle is dangerous enough, filled with venomous snakes, poisonous insects and man-eating caiman. Add to that, a local legend of a Devil that can steal your soul just by looking into its eyes, and a group of smugglers bent on wreaking havoc on the Rainforest, and you've got all the ingredients for Ava and Carol's Brazilian Jungle Vacation.

Move over Santa! This year, Ava and Carol are figuring out who’s naughty or nice. There’s a time of year that’s full of cheer—but this December, not everything is quite so merry for Ava and Carol Detective Agency. For their holiday house-sitting gig has gone ho-ho-horribly wrong, and now Mr. Parker’s prized painting is missing! With Christmas Eve approaching, the girls have little time to tie this burglary up in a bow, and so they’ll need some help from their best friend Derik. Using state-of-the-art hacking skills and the trained brains of the best super-sleuths in the business, Ava and Carol set out to unwrap this mystery. However, when the trail of clues leads them to a devastating personal discovery, all bets are off on whether this Christmas will be very merry after all. How can the girls reconcile terrible deeds when they are done by good people? And how can they turn their backs on a friend at a time like this? Only with quick-thinking, fast fingers, and big hearts will Ava, Carol, and Derik retrieve the painting in time and put the real bad guys away for good. Join the crew and follow the clues as you can uncover the greatest gifts in this world are the things we do for others in Ava & Carol Detective Agency: Christmas Thief!

Join over 20,000 children, teens and adults who’ve read the Ava & Carol Detective Agency series.Ava and Carol, teen detectives, can find a mystery just about anywhere, so why should Cairo, Egypt be any different?While Ava’s mom, a world-renowned journalist is investigating the historical records behind King Tut’s discovery, Ava and Carol accidentally, on purpose, become entangled in their own mystery. They witness an older Egyptian man attempting to convince a police investigator that he is being watched, but his words fall on deaf ears. Ava, who can’t stand to see sad old men, offers their assistance. Omar, the old man, warns them that it’s too dangerous, but that only makes the girls more anxious to help. Once on the case, the girls discover why Omar is being watched. He has an ancient map with clues that lead to a stolen treasure that had been passed down from King Tut’s grandfather to the boy king himself. As the girls unravel the clues, the thieves become more desperate. If Ava and Carol find the treasure first, they’ll turn it over to the Egyptian government. In a twisty game of cat and mouse, the girls must use all their investigative skills and creativity to find the treasure before the bad guys, and rescue Omar, who had suddenly disappeared.Follow teen sleuths Ava and Carol through the streets and pyramids of Egypt as they attempt to solve a mystery over a century old. The Mystery of the Egyptian Pyramid is a fun, mystery adventure and is chock full of historical facts about the life and death of King Tut. Praise for The Mystery of the Egyptian Pyramid Laugh out loud hilarious! - PhthonFun and fast read for many ages - KellyIt did everything that I was looking for - Kathryn McLeerThis was a really fun adventure story! - Shelly PagkalinawanCool information about Egyptian archaeology - Greg FewerMr. Lockhaven is a great author, and I felt like I was actually in Cairo, Egypt, with the girls solving this case - Baroness Book Trove