The second book in the New York Times best-selling saga with a cover image and an 8-page photo insert from the Disney+ series!When Thalia's tree is mysteriously poisoned, the magical borders of Camp Half-Blood begin to fail. Now Percy and his friends have just days to find the only magic item powerful to save the camp before it is overrun by monsters. The catch: they must sail into the Sea of Monsters to find it. Along the way, Percy must stage a daring rescue operation to save his old friend Grover, and he learns a terrible secret about his own family, which makes him question whether being the son of Poseidon is an honor or a curse.Whether you are new to Percy or a longtime fan, this tie-in paperback edition with full-color photos from the Disney+ series is a must-have for your library.

• We started tracking this book on August 19, 2010.
• This book was $6.39 when we started tracking it.
• The price of this book has changed 95 times in the past 5,472 days.
• The current price of this book is $0.99 last checked 3 hours ago.
• The lowest price to date was $0.99 last reached on August 11, 2025.
• This book has been $0.99 4 times since we started tracking it.
• The highest price to date was $6.99 last reached on June 3, 2025.
• This book has been $6.99 5 times since we started tracking it.
• This book is currently at its lowest price since we started tracking it.

• Children's eBooksAction & AdventureFantasy & Magic
• Children's eBooksFairy Tales, Folk Tales & MythsGreek & Roman

• Text-to-Speech: Disabled
• Lending: Disabled
• Print Length: 108 Pages