Perfect for fans of Percy Jackson and Mr. Lemoncello's Library, Atlantis: The Accidental Invasion launches an exciting, action-packed new series about the underwater lost city Kaya, raised in the undersea, high-tech world of Atlantis, has always been fascinated by the legends about life above the water. Despite the government's insistence that they're only stories, she can't help but dream about the Sun People--and when a group of officials known as Erasers move to bury those legends for good, Kaya sets out to the surface to uncover the truth once and for all. In the world above, where climate change has led to giant tsunamis that threaten Earth's coasts, all Lewis wants is to spend more time with his scientist father. When he stows away on his dad's top-secret research trip, he finds himself thrown headfirst into an adventure much bigger than he bargained for. Fast-paced and action-packed, The Accidental Invasion brings readers into a world unlike anything they've seen before. Bonus content includes real scientific information about genetic modification, earthquakes, nuclear power, and plate tectonics.

Fourteen-year-old Kaya, of the undersea, high-tech world of Atlantis, and twelve-year-old Lewis, of the climate-threatened world above water, embark on a dangerous adventure when he enters her realm.

Bestselling author Gregory Mone takes readers back to Atlantis in this action-packed sequel to Atlantis: The Accidental Invasion! Even an accidental invasion has dire consequences . . . After their daring escape from Atlantis, Lewis, Hanna, and Kaya, their resourceful Atlantean friend, find themselves pulled between two worlds. Trapped on the surface under the watchful eyes of government officials, the three adventurers receive an urgent call to return their stolen warship to Atlantis--or risk starting an all-out war. Aided by a billionaire with unclear intentions, the trio embarks on an all-new journey through Atlantis, from the sunken underwater world of Evenor to the tunnels below Ridge City. Will they find Lewis's injured father and return the warship in time? As the shadowy agents known as Erasers work to stop them, Lewis and Kaya begin to question whether they're really on the same side of the potentially devastating fight. This page-turning, high-stakes sequel to The Accidental Invasion is packed with futuristic technology and pure adrenaline-spiking fun. Bonus content includes science and robotics concepts in the story, and a real scientist's take on the curious biology of mermaids. Two worlds again collide in an unforgettable undersea adventure!

Lewis, Hanna, and Kaya, their resourceful Atlantean friend, embark on an all-new journey through Atlantis, from the sunken underwater world of Evenor to the tunnels below Ridge City. Bonus content includes science and robotics concepts in the story, and a scientist's take on the curious biology of mermaids.

Bestselling author Gregory Mone brings Mattel's He-Man and the Masters of the Universe together for a brand-new adventure in the first book of this original middle-grade series based on the hit Netflix show! By the Power of Grayskull... I have the Power! A mysterious toxic gas is spreading across Eternia, ravaging farmlands and endangering citizens. The planet's only hope lies with Adam, a lost prince with cosmic abilities. When he wields the mystical Sword of Power, he transforms from a scrawny teen into He-Man, the most powerful man in the universe. With his friends Teela, Cringer, Duncan, and Krass by his side, Adam embarks on a dangerous journey, facing pirates, dragons, and perils at every turn in search of Moss Man, a legendary figure who might hold the key to stopping the devastating stench. Yet the sinister Skeletor and his Dark Masters will stop at nothing to thwart the unlikely heroes. The fate of all Eternia rests with He-Man and his friends.

Bestselling author Gregory Mone brings Mattel's He-Man and the Masters of the Universe together for a brand-new adventure in the first book of this original middle-grade series based on the hit Netflix show! By the Power of Grayskull... I have the Power! A mysterious toxic gas is spreading across Eternia, ravaging farmlands and endangering citizens. The planet's only hope lies with Adam, a lost prince with cosmic abilities. When he wields the mystical Sword of Power, he transforms from a scrawny teen into He-Man, the most powerful man in the universe. With his friends Teela, Cringer, Duncan, and Krass by his side, Adam embarks on a dangerous journey, facing pirates, dragons, and perils at every turn in search of Moss Man, a legendary figure who might hold the key to stopping the devastating stench. Yet the sinister Skeletor and his Dark Masters will stop at nothing to thwart the unlikely heroes. The fate of all Eternia rests with He-Man and his friends.

Fan-favorite villain Skeletor tells his side of the story in this original middle-grade adventure from bestselling author Gregory Mone, based on Mattel's He-Man and the Masters of the Universe and the hit Netflix show! The Tales of Eternia series continues in an action-packed sequel following the rise of Skeletor. He-Man's archnemesis writes his own autobiography, from his childhood to his quest for the Golden Disc of Knowledge, in this villain origin story!

In the tradition of Treasure Island, an unlikely young pirate races a band of devious rogues for hidden gold in the start of a new middle-grade series by bestselling author Gregory Mone Twelve-year-old Fish--nicknamed for his skill as a swimmer--never intended to become a pirate. For starters, he's just a kid from a poor farming family, and second, he absolutely hates to fight. But after his parents send him to work as a courier, one of his deliveries is stolen, and as Fish hurries to get it back, he's captured by a ship of scalawags. And the mysterious package? It's the key to locating the Chain of Chuacar, a legendary treasure. Swabbing the deck of the Scurvy Mistress, Fish will have to earn the trust of the fortune-obsessed captain and learn the ropes from the rest of the crew, including a boy encyclopedia on all things piracy, a tough-as-nails young thief, and a fearless girl with knives up her sleeves. Yet with mutiny on the horizon and a ruthless first mate testing him at every turn, Fish isn't sure he'll survive, let alone find the Chain. Armed only with wit, courage and determination, Fish leads his new friends in the fight of their young lives and a hunt for the hidden gold.

Fan-favorite villain Skeletor tells his side of the story in this original middle-grade adventure from bestselling author Gregory Mone, based on Mattel's He-Man and the Masters of the Universe and the hit Netflix show! The Dark Master of Havoc finally gets to tell his side of the story in this tell-all autobiography. Long before he started haunting He-Man's nightmares, Skeletor was just an impossibly handsome, brilliant, scheming prince. But when a mysterious new tutor arrives in the palace, he shows the young prince a new path to power--and the throne that should belong to him alone. Jumping between his royal youth and his adventures as the chief menace to the Masters of the Universe, I, Skeletor recounts the untold story of his clash with a terrifying foe, unveils the source of his rivalry with the Sorceress of Grayskull, reveals what really happened during the search for the legendary Sigil of Hssss, and finally explains how Skeletor manages to beat He-Man every single time.