Ages 9-12 | Grade Levels 4-8 | Choose from 42 Possible EndingsWritten in the second-person, the reader is the hero of the story who makes decisions along the way. You are a deep sea explorer, about to embark on your most challenging and dangerous mission. Equipped with the latest technology, your objective is to find the mythical lost city of Atlantis. You bravely face giant squid, Great White sharks, shipwrecks, and the bendsbut will you return to the surface with evidence of the underwater civilization?Choose Your Own Adventure is the 4th bestselling children's book series of all time. Empowering generations of children through choice, it is widely commended for its appeal to reluctant readers.