- Author: Alex Howard
- Language: English
- Year: 2021
- Author: Alex Howard
- Language: English
- Year: 2020
- Author: Alex Howard (auth.)
- Language: English
- Year: 1996
- Author: Alex Howard
- Language: English
- Year: 2012
- Author: Alex Howard
- Language: English
- Year: 2012
- Author: Alex Howard
- Language: English
- Year: 2002