Against the Tide by Tui,T Sutherland (9781743620021)

Description - Against the Tide by Tui,T Sutherland

The sun is shining in the Hundred Isles and yet the path forward seems
crowded with shadows. Conor, Abeke, Meilin and Rollan have travelled
across the world seeking a set of powerful talismans in order to keep
them from enemy hands. Throughout their journey the young heroes have
been hounded by pursuers who always seem to know just where to find
them. Now they know why. One of them is a traitor. As they steer the
crystal blue waters of this tropical paradise, the team can't help but
suspect each other. There's a spy in their midst and before this mission
is over, a deadly trap will close around them.

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