This work investigates the complex and multifaceted role of animals in the medieval imagination, questioning how humans defined their own nature through their interactions with the animal kingdom. Joyce E. Salisbury, a historian specializing in medieval culture, utilizes a wide array of primary sources including bestiaries, legal records, and theological texts to construct her argument. She posits that medieval people viewed animals not merely as biological entities, but as moral symbols and mirrors for human behavior. By examining these historical perceptions, the author reveals how the medieval worldview integrated the natural world into the social and spiritual fabric of the era.

Scholars frequently cite this text as a foundational study for understanding the intersection of human and animal history in the Middle Ages. The prose is noted for its accessibility, making complex theological and historical concepts clear for both academic and general readers.