The Crystal of Gaea. An incredible adventure..
Aki and Lilith are off on another exciting adventure, this time to the world of Ancient Greek mythology. This trip will be particularly dangerous, but the two young Heirs have no choice if they want to find out what catastrophic event is brewing. On the Crystal of Gaea, Aki finally meets his namesake, the heroic demigod, Achilles. Another page turner with lots of twists and turns, and really scary encounters will make it hard to put down this thrilling 5th installment of Aki and the Spheres of Time.