Teens Jack, Marco, Aly, and Cass begin a quest to find seven pieces of Atlantis's 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.

On your first solo journey to find the Lost Continent of Atlantis, you failed to bring back proof of your success. Many people think that you imagined the whole thing-or worse. Now you and your colleague Horton James III are returning to document this amazing otherworld. But back below the surface of the sea dangers abound. A treacherous king lures you to riches; rebel slaves lure you to help lead a revolt; and the evil Nodoors aim to capture you...

"Jack, Marco, Cass, and Aly’s quest to find the seven magic orbs buried beneath each of the Seven Wonders of the Ancient World has hit a perilous snag. King Uhla’ar has kidnapped Aly and taken her and an orb back through a rift in time. A giant, merciless behemoth guards the opening, and so Jack and his friends realize that their only hope to rescue Aly is to rush to find the rest of the lost Loculi. This mission takes them around the world—to...

The merfolk of Atlantis have called in yeti Blizz Richards and his team of cryptozoologists to capture the kraken that is attacking their city, but when he starts to investigate, Blizz realizes that there is a lot the merfolk are not telling him--and something fishy is definitely going on.

"When Riley and her family are stranded on the mythical island of Atlantis, they'll have to uncover its secrets in order to find a way home"--