Colours by Number - extreme colour puzzles for adults is a subject-focused study book that addresses the topic of colour puzzles within the field of children and youth. This reference work offers clear and practical insights for professionals and students who want to deepen and apply their knowledge.
The book is suitable as supporting material for professional development and connects with related themes such as stationery supplies and gift books. Its clear positioning makes it usable as a study source and reference work in professional practice.
- Subtitle: extreme colour puzzles for adults
- Print run: 1
- Format: paperback

