After pulling a magical thunderbolt from a stone, ten-year-old Zeus goes on the adventure of a lifetime in this thrilling start to a brand-new series!The terrible Titans—merciless giants who enjoy snacking on humans—have dominated the earth and put the world into chaos. But their rule is about to be put to the test as a group of young Olympians discover their powers and prepare to righteously rule the universe.... Ten-year-old Zeus is mystified (and super-annoyed) by the fact that he keeps getting hit by lightening. Every. Single. Year. He also longs for adventure, as he has never been far from the cave where he grew up. Zeus gets his wish—and a lot more than he bargained for—when he is kidnapped by dangerous, giant Titans! In self-defense, Zeus grabs the first thing he sees—an actual thunderbolt he pulls from a stone that is covered in mysterious markings. Zeus is the only one who can decipher the markings, and sets off on a quest to rescue his fellow Olympians from the evil Cronus. Armed with his trusty thunderbolt (named Bolt, of course), Zeus is on an adventure of a lifetime—and a journey to fulfill his destiny as King of the Gods.

A young Poseidon must triumph over aquatic terrors in this Heroes in Training adventure. The merciless Cronus and his Titan buddies are in hot pursuit of Zeus, Hera, and Poseidon, who plan to travel across the treacherous boiling sea in order to save a fellow Olympian. They have a boat, but they also have a problem: Poseidon can’t swim and is terrified of the water (well, really of the creatures that lurk in its depths). The group faces danger after danger as they battle singing sirens, a fishy and ferocious Titan named Oceanus, and people-eating monsters sent by Cronus himself. Can Poseidon overcome his fears and help his fellow heroes escape Cronus and his cronies?

The Heroes in Training are entering the Underworld—if Hades can conquer his canine fears, that is. The Underworld usually isn’t really meant to be a fun place—but tell that to Hades! He loves the dark and the stinky smell of sulfur. However, there is one thing that Hades is not a fan dogs. And when Zeus and his fellow Olympians encounter Cerberus—a snarling, three-headed dog—Hades must conquer his fears and tame the hound so everyone can continue into the Underworld and deposit their Titan prisoner, Oceanus, back where he belongs! But with magical water that causes forgetfulness, hot beds of lava, and another epic battle with two more Titans standing in their way, will Zeus and his heroes make it out of the Underworld with everyone intact?

The action heats up for Zeus and his fellow Olympians in this blazing Heroes in Training tale. Phew, it’s hot! Under the titan Hyperion’s rule, the sun is burning even brighter than normal and scorching everything in northern Greece—including the villagers! The Olympians are forced to play a sizzling “game” of Dodge the Sunbursts as Hyperion hurls giant fireballs that could fry them to pieces! Armed with some clues, Zeus, Poseidon, and Hades set out to figure out why in the world Hyperion has been making things so hot. They also need to rescue Hera, who is still missing. Battling the extreme heat—and some fantastical and scary creatures, courtesy of their old foe Cronus—the boys are off on another epic adventure…and Zeus is one step closer to discovering his destiny.

Twice the quests means twice the adventure for Zeus and his fellow Olympians. After battling fireball-throwing Titans, the young Olympians find themselves on a double Not only must they find more Olympians that Cronus has swallowed, but they’re also in search of magic seeds that will help rejuvenate the earth after the terrible drought that plagued the lands, thanks to Hyperion. But a wind-throwing giant named Typhon has other ideas. Can the Heroes in Training withstand the storms that are coming their way?

When a flock of angry birds threaten Zeus and his fellow Olympians, they need the help of a new friend—assuming the stranger is actually a friend! After a horrible drought, Zeus and his fellow Olympians are determined to help restore the land as they try to figure out their current mission, to find a special shield called an aegis. Thanks to some grateful villagers, who benefit from the rain and crops that the young Olympians magically create, they find the armor they need. But they are suddenly swarmed by birds—thousands of killer, scary birds. And when a mysterious boy appears in the chaos, it looks like he might be more connected to the Olympians than they think. Is he friend…or foe?

Ares, Zeus, and the other Olympians encounter a huge snake and a sharp challenge in this Heroes in Training adventure. After overcoming many challenges, Zeus and his fellow Olympians arrive at the temple at Delphi—only to find a giant snake guarding the entrance! Beyond the python, Pythia appears. Trapped in the temple by the python’s magic and mere presence, Pythia urges the Olympians not to worry about her, for they are urgently needed on another quest. The Olympians are now out to find the Spear of Fear. A group of Amazonian women currently have it, but it really belongs to Ares, the God of War. Ares is thrilled to know the next quest is about him—but soon realizes that when it comes to the powerful spear, he has a LOT to learn...

Zeus and the Olympians must deal with monstrous spiders and dangerous webs in this Heroes in Training adventure. A giant spiderweb in the sky with the words “Surrender Olympians” shows Zeus and his friends that they are in for another battle. Dodging the silky and sticky webs, the Olympians find themselves scattering in all directions to avoid getting caught. But those dangerous webs actually contain a hidden gem—Athena’s magical object. And the Olympians soon discover that the Threads of Dread might not be as dreadful as they appear…

Zeus and the Olympians head to the Peloponnese to save Apollo’s twin sister, who’s under a sleep spell, in this Heroes in Training adventure. Zeus and the Olympians are off to find Apollo’s twin sister, Artemis, who was captured by the Cronies and separated from her brother. But Titan Crius, who rules the area, has Artemis under a special spell that is making her sleep, which doesn’t make a rescue easy! Can the Olympians manage to sneak away from Crius and his pesky Pandi—warriors with ears that can hear for miles—and save a sleepy Artemis, or are they in for a tough awakening?

Zeus and the Olympians might find a new leader among metal-working warriors in this Heroes in Training adventure. Fresh off their adventure with Crius’s Cronies, the Olympians set out for the island of Lemnos, and there’s a reason they receive warnings as they Warriors holding intricate weapons greet them as soon as they come ashore! Then they meet Hephaestus, the leader of the island who they quickly realize is actually one of them—the Olympian they were meant to find. But Hephaestus isn’t so sure he wants to leave with the Olympians. After all, life is pretty good on Lemnos, and he loves being in charge the Sintians, who inhabit the island. The Sintians made him their leader because of his metal-working prowess, and he’s been doing his best to keep them safe from Cronus’s armies ever since. Hephaestus suggests that if he does choose to go with the Olympians, he could be their leader. But what about Zeus? Not everyone is convinced he is still up for the job...

A clash between the Titans and The Olympians at sea leaves Zeus and his friends shipwrecked—and in a tidal wave of trouble—in this Heroes in Training adventure. After an encounter with Uranus, God of the Sky (and father of the Titans), the Olympians find themselves in the middle of a battle between two big-time Titans. On Cronus’s orders, Titan Oceanus dives into the sea and causes it to turn even stormier. He’s heading straight for the Olympians’ boat, planning to capsize it, no doubt. Just when it looks like the Olympians are done for, Zeus throws his thunderbolt high and causes a huge battle in the sky between the Titans. As broken stars and hunks of clouds crash to earth and into the sea around the Olympians and their ship, they manage to escape—thanks to some help from Zeus’s medallion and guide, Chip—but find themselves shipwrecked. And as Uranus’s stars begin to fall in the ocean, the huge splash makes a wave of bubbles that heads for the shore of the island where the Olympians and their ship are trapped. And Zeus has a feeling those bubbles mean trouble…

Perseus and the Olympians face off against the Monstrous Medusa in this Heroes in Training adventure.

Zeus and the Olympians are tasked with finding a magical horse in this Heroes in Training adventure. When Zeus meets a young boy named Hermes, he claims to have their next quest from Pythia, the Oracle at Delphi. But he wants something for the Zeus must hand over the winged sandals he took from Perseus after their last battle. What he doesn’t know is that Perseus had stolen those sandals from someone…Hermes! Could those sandals be another magical object? When Hermes starts to fly, Zeus knows they have found another Olympian for their group—and Hermes lets Zeus know their next adventure will be to “find the force that sings.” Since Pythia never tells them exactly the right words (her glasses tend to get a little foggy), they figure out that they are supposed to find “the horse with wings.” With the help of a reluctant Hermes and another new boy named Ron, the Olympians are off in search of a winged horse­—with a few surprises along the way!

Zeus and his friends discover another Olympian who might be able to help in their quest to defeat King Cronus in this Heroes in Training adventure. With a clue from their trusty oracle, Pythia, Zeus and his Olympian friends are off to the “Land of Grapes,” where they discover a festival. The headline act is Dion and the Goat Guys, and Zeus has a funny feeling this Dion guy might be one of them. Athena points out that this Dion guy is the right age, and he’s definitely not acting like a regular kid. Finally, Dion and the Goat Guys take a break, and Zeus and the other Olympians approach him. Zeus informs him that he and the others are Olympians, and they think Dion might be one too. Dion (short for Dionysus, he tells them) starts to brag that he wouldn’t be surprised, because he has awesome talents and magic powers. Before the Olympians can ask him about his powers, some of the crowd members start to throng the Olympians. Are they really Olympians? Are they really going to defeat King Cronus? Dion looks kind of peeved about this, and the next thing the Olympians know, they are in a field somewhere, puzzled and not sure what happened. What kind of magical powers does this Dion kid actually have? And will he be more of a help—or a pain—in their ultimate quest to defeat King Cronus once and for all?

Zeus and his friends try to free Briar, Kottos, and Gyes from Tartarus so they can finally beat Cronus once and for all in this Heroes in Training adventure. The fourteen Olympians and Ron are headed toward Olympus. Ron is telling them the rumors that the Titans have all escaped Tartarus and are gearing up with Cronus for a final battle with the Olympians. When they reach the sea, Oceanus attacks them by surprise. They are almost washed away by a tidal wave when mysterious woman appears and saves them. It is Gaia, the wife of Uranus—and grandmother to Zeus and most of the Olympians. Gaia is on the side of the Olympians, partly because she believes that they will be better for the planet than Cronus, but also because she is angry with her son. He has imprisoned his three brothers: Briar, Kottos, and Gyes. She says if the Olympians free them from Tartarus, they will help the Olympians defeat Cronus. But can the three brothers be trusted? And can the Olympians defeat Cronus once and for all?

Zeus and his friends are back for another adventure in this latest Heroes in Training chapter book! Since defeating the Titans, Zeus and his fellow Olympians have taken over Mount Olympus. Things are nearly back to normal…until a stranger named Hercules shows up, asking for help. He’s on the run from Eurythseus, King of Argon, who is after Hercules for egging his temple. Before Zeus can help, Eurythseus himself appears. It turns out that Hercules has also been bragging that he is the ruler of Olympus, and Eurythseus intends to declare war on the Olympians’ new home. Zeus’s friends come up with an idea—maybe Hercules could make up for egging Eurythseus’s temple. The Oracle Pythia reveals that in order to do this, Hercules must get a scale from a huge, nine-headed serpent—the Hydra. Will this be enough to please Eurythseus? Or is another battle on the horizon for the Olympians?

Zeus and Hercules face a very hungry giant in this latest Heroes in Training chapter book!Zeus and Hercules may have gotten a scale from the nine-headed hydra, but that isn’t enough for King Eurystheus to forgive Hercules for egging his temple. For their next task, the Oracle Pythia reveals that, to make Eurystheus happy, they have to get the golden belt from the queen of the Amazons—a band of warrior girls. Although the Amazons are friendly enough, there’s just one problem…they think that boys are stinky! And Hercules hasn’t been great at getting people to like him. But before they even reach the Amazons, they are caught by the awful giant Alkyoneus. He has seven daughters to feed, and the boys would make for a perfect snack. Can Zeus and Hercules escape his clutches and get the belt in time? Or will they end up in hot water?

Zeus and his fellow gods-in-training attempt to capture the king of hell’s hound in this latest Heroes in Training chapter book! Zeus and his fellow gods-in-training face a new challenge in the underworld when they attempt to capture Cerberus—the three-headed guardian and cherished pet of Zeus’s brother Hades. But they find themselves up against even more than they anticipated when they have to face off against Melinoe and her skeletal minions.