- Author: Church of the Nazarene
- Language: English
- Year: 2002
- Author: Floyd Cunningham, Stan Ingersol, Harold E Raser, David P Whitelaw
- Language: English
- Year: 2009
- Author: Timothy Smith
- Language: English
- Year: 2010
- Author: Daron Brown
- Language: English
- Year: 2012