Mark and his sisters have a wonderful new pet—a tiny hamster that they name Hairy! At first, Hairy appears a little frightened by his strange new surroundings, but he soon becomes used to his new home and friends. Meanwhile, the children learn that adopting a new pet is both a fun experience and a responsibility. In addition to Hairy’s delightful story, readers will find suggestions for activities with their own pet hamsters, and advice from a veterinarian on keeping hamsters healthy and happy.