A skull lies half-hidden in the grass and leaves -- what type of animal did it come from? What did the animal eat? How did it behave? Skulls and Bones answers those questions and many others-allowing naturalists of all ages and skills to quickly identify mammal bones, understand their structure, and learn about the animal's lifestyle. With detailed line drawings, information on North America's most common land mammals, and tips on building a bone collection, Skulls and Bones can serve as the foundation for a fascinating new hobby or a useful reference for experienced collectors and biologists.