Discover doctrinal principles from a Pentecostal perspective. Featuring sound doctrine in easy-to-understand terms, this book covers topics key to the Trinity and the Christ-follower's spiritual life, such as Spirit-filled theology, sin and salvation, divine healing, ecclesiology and more. Written by Guy P. Duffield and Nathaniel M. Van Cleave. 

Note: This version was edited in 2011 to bring clarity and fresh voice for the next generation. It includes volumes 1 and 2, plus study guides for ministerial candidates.