Copper and Crook and the Slippery Jokes
- Tjibbe Veldkamp & Kees de Boer
Copper and Crook and the Birthday Hunt
- Tjibbe Veldkamp & Kees de Boer
Copper and Crook and the Tricky Jokes
- Tjibbe Veldkamp & Kees de Boer
Copper and Crook and the Crooked Copper
- Tjibbe Veldkamp & Kees de Boer
Copper and Crook and the Drawing Tricks
- Tjibbe Veldkamp & Kees de Boer
Bedtime for Crook
- Tjibbe Veldkamp & Kees de Boer
Copper and Crook
- Tjibbe Veldkamp & Kees de Boer