- Author: Gordon Williamson, Gerard Barker(Editor), Darko Pavlović(Illustrator)
- Language: English
- Year: 2003
- Author: Gordon Williamson, Gerard Barker(Editor), Darko Pavlović(Illustrator)
- Language: English
- Year: 2003
- Author: Gordon Williamson Velimir Vuksic
- Language: English
- Year: 2002
- Author: Gordon Williamson
- Language: Spanish
- Year: 1999
- Author: Gordon Williamson
- Language: English
- Author: Gordon Williamson.
- Language: English
- Author: Gordon Williamson
- Language: Spanish
- Year: 2012
- Author: Gordon Williamson
- Language: Spanish
- Year: 2011
- Author: Gordon Williamson
- Language: English
- Year: 1995
- Author: Gordon Williamson and Darko Pavlovic
- Language: English
- Year: 2003