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"A boy gets recruited to go to a secret under water summer camp where he discovers he has secret mermaid powers. The camp is disguised as a marine biology program to keep it secret. He meets a group of kids who they go on adventures. The first years at the camp are called sea squirts, and the oldest are sharks. I know they meet some kind of bad guy. Read…"
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October 7, 2026
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The Lost Hero / The Son of Neptune / The Mark of Athena / The House of Hades / The Blood of Olympus
Rick Riordan
1809
10 editions
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