"TRIALS OF DECIPLESHIP: The Story of William Clayton, A Mormon" by James B. Allen is a hardcover book published by University of Illinois Press. The book delves into the life of William Clayton, a prominent figure in the Mormon community, exploring his trials and experiences within the context of his faith. Written in English, this book is a valuable addition to the literature on Mormonism and religion, offering insight into the spiritual journey of a devoted follower.