Puzzles – Books – Original ideas
Puzzle Books
Besides card games, puzzle books are also part of my current projects. This is where original puzzle concepts, book ideas and published titles get their place.
Current focus
Under the name Der Rätselking, I publish puzzle ideas and books that combine playful thinking, pattern recognition and the joy of solving. One important focus is Sumtris, my own original puzzle concept.
This page will gradually grow into a home for puzzle books, book series and future releases.
Published
Sumtris
A number-based puzzle concept published across several volumes, from beginner level to expert.
Published
The License Plate Detectives
A puzzle book for clever kids with a detective-style spirit.