The first of its kind, this project is a collection of critical and interpretive essays on George Santayana's seminal work in American philosophy, Scepticism and Animal Faith (1923), 100 years after its first edition. The reader will be guided through the intricacies of Scepticism and Animal Faith by expert scholars. This book is a companion to Scepticism and Animal Faith for both first-time readers and readers intimately familiar with this work.