Taking care of animals is a snap! That's what identical twins Elizabeth and Jessica Wakefield and their friends think when they volunteer at the Sweet Valley Zoo. Until Elizabeth accidentally lets a mischievous monkey named Spanky out of his cage. Spanky shows up in the strangest places -- behind the counter at Casey's ice cream parlor, in the auditorium during a school assembly, and hanging from the Wakefield's kitchen ceiling. Until Bruce Patman takes care of a baby bird named Drumstick. Bruce is secretly afraid of birds, but Drumstick thinks Bruce is the greatest thing ever, and won't leave him alone! Until Jessica falls in love with Gus, a grizzly bear cub who's lost his mother. She's determined to help Gus adjust to life in the zoo, but the zookeeper tells her they must return Gus to the wild. Will Jessica be able to say good-bye to her furry friend? Don't Miss Any Of The Books In This Fabulous Series!