"Stuck on a mysterious island, Ollie, Coco, and Brian must band to together if they hope to escape the creature that haunts them on both land and sea"--

Ages 10+. G. P. Putnam's Sons.|||Grades 4-6. G. P. Putnam's Sons.|||juvenile

Katherine Arden.

Includes excerpts from the two previous books: Small spaces and Dead voices.