Meet a brand-new hero from Rick Riordan Ana Dakkar is studying at Harding-Pencroft Academy, a school training the best underwater explorers, naval navigators and marine scientists. But when tragedy strikes on a trial at sea, Ana and her classmates are plunged head first into a deadly battle with a rival school. As secrets about her heritage surface, it's up to Ana to lead her classmates out of danger. Dive into another epic adventure from Rick Riordan, the bestselling creator of Percy Jackson and The Trials of Apollo. Hardback