ea. vol: photogs. by author. 32p. illus. index. Watts. 1986. PLB $9.90. Gr 3-8 Two good, brief guides to pet ownership. Each book covers the responsibilities of owning a pet, as well as how to choose a healthy hamster or guinea pig. The equipment needed to care for the animals, food requirements, and information for cleaning both animals are described. The texts are straightforward and informative. A checklist at the back of both books describes daily, weekly, and occasional duties of the pet owner; question-and-answer sections are also included. Clear color photographs throughout each book illustrate the texts and give the books an inviting look. These are sure to be popular in the middle grades. Teresa D. Higus, R.O.V.A. School District, Oneida, Ill.