Warner, Gertrude Chandler
Summary: The Alden children are spending a week with their grandfather at Camp Seagull on beautiful Claw Island. As soon as camp begins, the children realize that someone is not palying fair. Everything begins to go wrong. The Alden children are determined to solve the mystery before the Olympic competition is ruined for everyone.
Format: text
Publisher / Publication Date: Albert Whitman & Company 2001