This aquatic update on the classic pig story is sure to enthrall readers young and old. When Jim, Tim and Kim set out to make their own homes in the sea, each builds with a different material. Jim’s seaweed house quickly succumbs to the jaws of the Big Bad Shark, as does the sand house of his brother, Tim. Both narrowly escape to the safety of their sister Kim’s house—a sunken ship. A surprise ending will delight those cheering on the piscine trio. Geist’s text is close enough to the original to be familiar, yet original enough to be enjoyable, especially when it comes to the beloved refrains: “Not by the skin of my finny fin fin.” Gorton’s digital illustrations are bright blocks of color and shape, and the facial expressions lend much to the tale. Great for educators teaching comparisons, and for ocean lovers. (Picture book. 3-8)