In this extensively researched work, Dr. Derengowski examines the parallels between Muhammad and Joseph Smith, Jr. as well as the religions they started, Islam and Mormonism. Follow along as he looks at the fascinating similarities between these two men and the communities and beliefs they founded. The three main sections of the book examine their spiritual parallels, revelational parallels, and relational parallels. An extensive appendix follows with additional details. This book will help the reader to understand the affinities between these two men and their religions. It will also equip Christians with the necessary information to know how to answer Mormon and Muslim apologists and defend the Christian faith.