The book "North American Jumpers (Genus Zapus)" by Philip G. Crouch is a study of one of the interesting groups of rodents that inhabit North America. The author studies in detail the rare genus Zapus, looking at their behavior, biology, ecology and evolution. The book contains the results of the latest research on hoppers, their life cycle, interaction with the environment and the impact of human activity on their natural habitats. Philip G. Crouch is a recognized expert in the field of rodent studies who shares his knowledge and discoveries with readers, making this book an important addition to the zoological literature. For anyone interested in nature and the amazing world of animals, this book will be a valuable source of information and an exciting read.