Describes the physical characteristics and behaviors of gerbils, discussing the differences between pet gerbils and gerbils in the wild, and features drawings and photographs of gerbils of various colors.
While trying to find out who Rachel chose as her favorite pet, Obi the gerbil gets trapped in Rachel's backpack and winds up at school, where she learns new things and makes some friends.
The author reflects on her Navy captain father's side business of raising gerbils to be sold to labs and explores her childhood, discussing her mother, siblings, dad's obsession with the animals, and more.