Este libro ilustrado con fotos para niños muestra animales marinos, geología, y actividades de los seres humanos en los sistemas ecológicos de los océanos.

"Zachary Ezra Rawlins is a graduate student in Vermont when he discovers a rare book hidden in the stacks. As he turns the pages, entranced by tales of lovelorn prisoners, key collectors, and nameless acolytes, he reads something strange: a story from his own childhood. Bewildered by this inexplicable book and desperate to make sense of how his own life came to be recorded, Zachary uncovers a series of clues--a bee, a key, and a sword--that lead him...

Covers saltiness, tides, waves and weather, plants and animals, and ecological issues. Includes instructions for projects.