- Author: Karen Moore
- Language: English
- Year: 2011
- Author: Stoop David A., Arterburn Stephen
- Language: English
- Year: 1991
- Author: MacArthur John F
- Language: English
- Year: 2012
- Author: MacArthur John F
- Language: Spanish
- Year: 2006
- Author: Madrid Patrick
- Language: English
- Year: 2012