- Author: Peter Walker
- Language: English
- Author: Peter Petschek, Peter Walker
- Language: English
- Year: 2014
- Author: Peter Petschek, Jessica Read, Peter Walker
- Language: English
- Year: 2012
- Author: Peter Petschek, Peter Walker
- Language: German
- Year: 2012
- Author: Matthew Krehl Edward Thomas, Leechin Heng, Peter Walker
- Language: English
- Year: 2020
The Miracle Pill
epub
- Author: Peter Walker
- Language: English
- Year: 2021
- Author: Peter Walker
- Language: English
- Year: 2011
- Author: Peter Walker
- Language: English
- Year: 2017
Babatorna
pdf
- Author: Peter Walker
- Language: Hungarian
- Year: 2005
- Author: Peter Walker
- Language: Spanish
- Year: 2003