Teens Jack, Marco, Aly, and Cass begin a quest to find seven pieces of Atlantis' power that were hidden long ago and that will, if returned to Atlantis, save them from certain death due to the genetic abnormality that also gives them superior abilities.

Journeying to the ancient city of Babylon when Bhegad tracks down Marco, the companions face a daunting choice involving a dire trap and a long-lost figure from Jack's past.

Shaken by a shocking loss, Amy and Dan flee to an exotic land and trace the footsteps of their most formidable ancestor yet: a military leader of mythic proportions.

Max and his cousin Alex revisit The Lost Treasures, and they find a clue that just might be the key to a cure, which Max needs with his mom's illness getting worse again. Max needs to figure out a way to save his family-now more than ever. In their book is the story of Verne's seemingly impossible recovery from a near-fatal gunshot wound. Somehow, after being shot, Verne didn't just survive, he thrived. Max and Alex realize there is a way to save...

When thirteen-year-old Max Tilt happens upon his great-great-great-grandfather Jules Verne's unfinished, unpublished manuscript, The Lost Treasures, he doesn't realize that he's found the answers to all his problems. And Max has a lot of problems--his mother is sick, his father is out of work, and his home is about to be foreclosed on. But when Max and his cousin Alex discover that Verne's last work reveals everything he wrote was fact, not fiction,...

"Max Tilt thinks his luck is finally changing, thanks to his great-great-great-grandfather Jules Verne's unfinished, unpublished manuscript, The Lost Treasures. Using the clues Verne left behind, Max and his cousin Alex were able to bottle the magical healing elements needed to cure his mother's illness just in the nick of time. But then Max and Alex discover that the vials were stolen by their former friend, Bitsy. She has plans to use them to save...

"Max Tilt thinks his luck is finally changing, thanks to his great-great-great-grandfather Jules Verne's unfinished, unpublished manuscript, The Lost Treasures. Using the clues Verne left behind, Max and his cousin Alex were able to bottle the magical healing elements needed to cure his mother's illness just in the nick of time. But then Max and Alex discover that the vials were stolen by their former friend, Bitsy. She has plans to use them to save...