- Author: Steven Holzner
- Language: Spanish
- Year: 2008
- Author: Steven Holzner
- Language: English
- Year: 2008
- Author: Steven Holzner
- Language: Spanish
- Year: 2014
- Author: Steven Holzner
- Language: Portuguese
- Year: 2011
- Author: By Steven Holzner
- Language: English
- Year: 2006
- Author: Steven Holzner
- Language: Polish
- Year: 2001
- Author: Steven Holzner
- Language: English
- Year: 2013
- Author: Steven Holzner
- Language: Spanish
- Year: 2014
- Author: Steven Holzner
- Language: English
- Year: 2011
- Author: Steven Holzner
- Language: English
- Year: 2010