At her best, Rylant’s (The Ticky-Tacky Doll, below, etc.) sweetness and sentiment fills the heart; in this outing, however, sentimentality reigns and the end result is pretty gooey. Pandora keeps a lighthouse: her destiny is to protect ships at sea. She’s lonely, but loves her work. She rescues Seabold and heals his broken leg, and he stays on to mend his shipwrecked boat. This wouldn’t be so bad but Pandora’s a cat and Seabold a dog, although they are anthropomorphized to the max. Then the duo rescue three siblings—mice!—and make a family together, although Rylant is careful to note that Pandora and Seabold each have their own room. Choosing what you love, caring for others, making a family out of love, it is all very well, but this capsizes into silliness. Formatted to look like the start of a new series. Oh, dear. (Fiction. 6-8)