- Author: John Henning, Frank Kohler, Victoria Robinson, Barry Wilson
- Language: English
- Year: 2010
- Author: Hilda Rosselli, Emerson J. Elliott, Mark Girod, Meredith Brodsky, Ronald A. Beghetto, Karen S. Buchanan, Barbara Chesler Buckner, Diane S. Calhoun, Kyle Dahlem, Peter Denner
- Language: English
- Year: 2011