- Author: Tina Konstant
- Language: English
- Year: 2016
- Author: Benny Lewis
- Language: English
- Year: 2017
- Author: Ruth Snowden
- Language: English
- Year: 2013
- Author: Michael Halvorson
- Language: English
- Author: Dr. David Allan
- Language: English
- Author: Amanda Vickers
- Language: English
- Author: Windy Dryden
- Language: English
- Year: 2014