Searching for treasure washed up by a fierce coastal storm, eight-year-old Kirstie discovers a strange looking package-shaped object with long tendrils poking out from each of its four corners. When it hatches overnight, she finds herself the proud but puzzled keeper of what her grandfather identifies as a water horse—a sea creature of mythic stature, with a gentle nature but a ravenous appetite. What can the family do with a pet that grows rapidly from a scant six inches to more than fifteen feet? It may not be possible to find a permanent home for Crusoe—as he is named—where he is safe as well as happy. King-Smith’s obvious belief in the power of care and compassion informs this genial tale told from both the human and sea monster’s perspectives; it’s not one of his strongest stories, but will capture the fancies of his many fans. (Fiction. 8-11)