Zlair, Amy, Lyssa, and Lyndsie had normal lives until they discovered the world of gemstones and get magical powers that are lame. They then set out on a journey to find the 12 ancient gemstones. (Description by Ally Guo, co-author)

When Ria is snatched by a demigod at school she gets to live in the greek and roman worlds. All rights go to Rick riordan for the Percy Jackson series.