- Author: Tommy Gustafsson, Pietari Kääpä
- Language: English
- Year: 2015
- Author: Pietari Kääpä
- Language: English
- Year: 2011
- Author: Pietari Kääpä
- Language: English
- Year: 2012
- Author: Pietari Kääpä
- Language: English
- Year: 2014
- Author: Pietari Kääpä
- Language: English
- Year: 2014
- Author: Pietari Kääpä (editor) Tommy Gustafsson (editor)
- Language: English
- Year: 2013
- Author: Pietari Kääpä Tommy Gustafsson
- Language: English
- Year: 2021
- Author: Pietari Kääpä
- Language: English
- Year: 2018
- Author: Tommy Gustafsson Pietari Kääpä
- Language: English
- Year: 2015