This book is suitable for ages 7 to 11 years. In this second book of the "Galactic Treasure Hunt" series, the Adventures of Jake and Scott continue when they blast off with their space alien friend Nojo for the lost city of Atlantis. They arrive at the end of the last ice age and watch final moments of Atlantis. But this is only the beginning of their quest: They face earthquakes, sabre tooth tigers, mastodons, giant waves, sharks, mummies, alien robots, and diabolical traps that only Jake and Scott can overcome. This fast paced adventure/science fiction story combines real world physics with a fantastic plot. This title features: secret word at the beginning of each chapter written in an alien alphabet and alphabet decoder at the end of the book that lets you decode a secret message from Nojo. The children in this book make Indiana Jones look like a couch potato and every chapter is a wild ride.