- Author: Laurie David
- Language: English
- Year: 2008
- Author: M. Jimmie Killingsworth
- Language: English
- Year: 2014
- Author: Wendy Read Wertz
- Language: English
- Year: 2014
- Author: Tinger Mariah, Titlow Budd
- Language: English
- Year: 2016
- Author: Sierra Club, Brower David, Wyss Bob
- Language: English
- Year: 2017
- Author: Potter Will
- Language: English
- Year: 2011
- Author: Potter Will
- Language: English
- Year: 2011
- Author: McKibben Bill
- Language: English
- Year: 2013
- Author: McCarthy Pat
- Language: English
- Year: 2013
- Author: Cuthbertson Ken, Hahn Emily
- Language: English
- Year: 2016