- Author: Soren Hansen & Jesper Jensen
- Language: Spanish
- Author: Soren Hansen y Jesper Jensen
- Language: Spanish
- Year: 1969
- Author: Olsen Claus Ib, Klein Jesper, Jensen Flemming
- Language: Danish
- Year: 2011
- Author: Soren Hansen & Jesper Jensen
- Language: Spanish
- Year: 1969
- Author: Soren Hansen & Jesper Jensen
- Language: Spanish
- Year: 1969
- Author: Søren Hansen, Jesper Jensen, Berit Thornberry
- Language: English
- Year: 2014
- Author: Soren Hansen Jesper Jensen
- Language: English
- Year: 2014