When Stink, Sophie, and Webster discover that pet-shop owner Mrs. Birdwhistle has rescued 101 guinea pigs from a perfume-testing lab, they offer to help her find good homes for the critters. After persuasion, salesmanship, and even a road trip, the friends accomplish their mission This beginning chapter book carries on the series’ tradition with a high-interest topic, a fast-moving story, a reader-friendly format, and pleasing illustrations (some not seen). From the cheerful illustration on the cover to the final turn of events, which takes Stink by surprise, this will appeal to small-animal lovers looking for short chapter books. Grades 2-4. --Carolyn Phelan