The RiddlemasterBook - 2016
Anouk, Ben and Cara dream of a fabulous treasure buried on the golden island across the harbor. A mysterious and grizzled old man offers them passage on his boat, but only if they can solve seven vexing riddles. If they succeed, a strange and magical prize awaits them. -- Amazon.com
Publisher: Vancouver ;, London :, Tradewind Books,, 2016.
Copyright Date: ©2015
Characteristics: 1 volume (unpaged) : colour illustrations.