- Author: Mike Allen, B. Scott Titsworth, Stephen Hunt
- Language: English
- Year: 2008
- Author: Judy C. Pearson, Paul E. Nelson, Scott Titsworth, Lynn Harter, Jeff Butler, Stephen Ihde, Jim Katt, Burt Pryor
- Language: English
- Year: 2021
- Author: Paul Nelson Scott Titsworth Judy Pearson
- Language: English
- Year: 2013
- Author: Judy C. Pearson, Scott Titsworth, Angela Hosek, Paul E. Nelson
- Language: English
- Year: 2016
- Author: Judy Pearson (Author) Paul Nelson (Author) Scott Titsworth (Author) Lynn Harter (Author)
- Language: English
- Year: 2010
- Author: Paul Edward Nelson Scott Titsworth Judy C. Pearson
- Language: English
- Year: 2009