This book investigates the critical state of endangered mammals inhabiting the Northern Hemisphere. It details species facing extinction, providing essential data and geographical context to understand their plight. The author, Tim Harris, presents this information through descriptive text, accompanied by detailed data sheets and maps, offering a comprehensive overview of the challenges these animals face.

This work appears to be a focused scientific survey, likely appealing to conservationists, zoologists, and students of mammalogy. Its structure, incorporating data sheets and maps, suggests a resource intended for detailed study and reference rather than a general audience. The emphasis on endangered species indicates a concern for conservation and ecological balance.