Adventures of Riley #8: Riddle of the Reef

An award-winning, innovative 12-book series that captures the wonder of conservation through a blend of photography, illustration, fiction, and nonfiction.

Journey to Australia’s Great Barrier Reef with Riley and his family as they see what’s up down under! Large areas of the coral reef are dying and they need to find out why. Joined by world-renowned marine artist and conservationist, Wyland, the crew faces giant starfish, great white sharks, and even poachers in their search for answers.