In this book, Lantz examines the life cycles, feeding habits, and social behaviors of house rats and mice. He provides detailed descriptions of the various species, including the Norway rat, roof rat, and house mouse, highlighting their physical characteristics and the differences between them. The author discusses how these rodents adapt to living in close proximity to humans, often leading to infestations in homes, farms, and urban areas.Lantz also addresses the ecological roles of rats and mice, acknowledging their place within the ecosystem while emphasizing the challenges they pose as pests. He explores the health risks associated with rodent infestations, including the transmission of diseases and the damage they can cause to property, crops, and stored food.