Geronimo Stilton: respected journalist, family mouse … well-seasoned traveller? No thank you! But when Geronimo’s sister Thea finds a mysterious map of a secret treasure on a faraway island, Geronimo just can’t say no.

Before long, Geronimo and his family are on the high seas, getting into enormouse trouble!

All Editions

Paperback, 4th Edition

ISBN13: 9781782263562

Sweet Cherry Publishing, 2017

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