The Ghostfaces by John Flanagan

In this thrilling installment of the Brotherband Chronicles, the Heron crew finds themselves navigating uncharted waters and facing unforeseen challenges as they are swept off course by a violent storm. Stranded on a mysterious island inhabited by a reclusive tribe known as the Ghostfaces, the crew must rely on their wits and skills to forge alliances and survive. As they uncover the island's secrets and confront a looming threat, the bonds of friendship and courage are tested, leading to a gripping tale of adventure and discovery.

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