The Care and Feeding of Exotic Pets

Diana Wagman has shown a soft spot for both the offbeat and the obsessive in her novels Bump, Spontaneous and Skin Deep. Her latest, The Care and Feeding of Exotic Pets, shouldn’t disappoint fans: It features a deranged kidnapper whose best friend is a seven-foot-long, 165-pound iguana named Cookie.

Cookie needs a mate. His owner,…