- Author: Katherine H. Lee Ahn
- Language: English
- Year: 2013
- Author: Craig Harline
- Language: English
- Year: 2014
- Author: Bruce Nuffer
- Language: English
- Year: 2012
- Author: Heyrman Christine Leigh
- Language: English
- Year: 2015
- Author: Burnham Gracia, Burnham Martin, Merrill Dean
- Language: English
- Year: 2010
- Author: Burnham Gracia, Burnham Martin, Merrill Dean
- Language: English
- Year: 2010