- Author: Bouko de Groot (Author) Peter Dennis (Illustrator)
- Language: English
- Year: 2019
- Author: Bouko de Groot
- Language: English
- Year: 2018
- Author: Bouko de Groot, Gerry Embleton(Illustrations)
- Language: English
- Year: 2017
- Author: Bouko de Groot, Gerry Embleton(Illustrations)
- Language: English
- Year: 2017
- Author: Bouko de Groot, Gerry Embleton(Illustrations)
- Language: English
- Year: 2017
- Author: Bouko de Groot
- Language: English
- Year: 2018
- Author: Bouko de Groot
- Language: English
- Year: 2017