Books

Winnie the Witch Winnie the Witch
2013
Winnie's Amazing Pumpkin Winnie's Amazing Pumpkin
2012
Winnie the Witch Winnie the Witch
2001
Using Mental Imagery in Counselling and Psychotherapy Using Mental Imagery in Counselling and Psychotherapy
2015
Franny. Magisch vermasselt Franny. Magisch vermasselt
2015
Using Mental Imagery to Enhance Creative and Work-related Processes Using Mental Imagery to Enhance Creative and Work-related Processes
2019

Audiobooks

The Winnie and Wilbur Picture Book Treasury - Winnie and Wilbur (Unabridged) The Winnie and Wilbur Picture Book Treasury - Winnie and Wilbur (Unabridged)
2017
Zilly und Zingaro. Zilly, die Zauberin Zilly und Zingaro. Zilly, die Zauberin
2021