- Author: Leroy Thompson, Howard Gerrard
- Language: English
- Year: 2011
- Author: Oscar Gilbert, Howard Gerrard(Illustrations)
- Language: English
- Year: 2004
- Author: Robert Forczyk Howard Gerrard
- Language: Spanish
- Year: 2006
- Author: Steven J. Zaloga Howard Gerrard
- Language: English
- Year: 2003
- Author: Peter Antill, Howard Gerrard(Illustrator)
- Language: English
- Year: 2005
- Author: Clayton K.S. Chun, Howard Gerrard(Illustrations)
- Language: English
- Year: 2006
- Author: Leroy Thompson, Howard Gerrard
- Language: English
- Year: 2011
- Author: Robert Forczyk Illustrated by: Howard Gerrard
- Language: English
- Year: 2010
- Author: Ken Ford, Howard Gerrard(Illustrator), Mariusz Kozik(Illustrator)
- Language: English
- Year: 2010
- Author: Gordon Williamson, Ian Palmer(Illustrator), Howard Gerrard(Illustrator)
- Language: English
- Year: 2011