- Author: David G. R. Keller, Suzanne Toolan
- Language: English
- Year: 2015
- Author: Elizabeth Keller Suzanne Rumsey
- Language: English
- Author: Marieb Elaine N, Keller Suzanne M
- Language: English
- Year: 2017
- Author: Keller Suzanne M., Marieb Elaine Nicpon
- Language: English
- Year: 2018