- Author: Barker Chris Jane Emma
- Language: Greek
- Year: 2021
- Author: Swift Jonathan, Alvarez Salvador, Barker Chris, Wahlin Dan
- Language: English
- Year: 2009
- Author: Barker Chris
- Language: Spanish
- Author: Barker Chris, Elliott Robert, Pistrang Nancy
- Language: English
- Year: 2016
- Author: Barker Chris, Elliott Robert, Pistrang Nancy
- Language: English
- Year: 2016
- Author: Barker Chris, 羅世宏
- Language: Chinese
- Year: 2006
- Author: Barker Chris.
- Language: English
- Author: Barker Chris Kiratli Gülay.
- Language: English
- Author: Barker Chris Kiratli Gülay.
- Language: English
- Author: Barker Chris.
- Language: English