This book uncovers an early collection of sayings, called N, that are ascribed to Jesus and are similar to those found in the Gospel of Thomas and in Q, a document believed to be a common source, with Mark, for Matthew and Luke. In the process, the book sheds light on the literary methods of Mark and Thomas. A literary comparison of the texts of the sayings of Jesus that appear in both Mark and Thomas shows that each adapted an earlier collection for his own purpose. Neither Mark nor Thomas consistently gives the original or earliest form of the shared sayings; hence, Horman states, each...