- Author: Bob Willis, Mike Dickson
- Language: English
- Year: 2020
- Author: Katherine Rogers, William Scott, Stuart Warner, Bob Willis
- Language: English
- Year: 2011
- Author: Stuart Warner, Bob Willis, Katherine Rogers, William Scott
- Language: English
- Year: 2011
- Author: Bob Willis, Mike Dickson
- Language: English
- Year: 2020
- Author: Halloran Bob, Willis John
- Language: English
- Year: 2016