- The Five Wonders of the Danube
- The Papyrus Trilogy
- Impossible Stories I
- Impossible Stories II
- Hidden Camera
- The Writer & The Ghostwriter
- The Image Interpreter
- The Fourth Circle
- Escher’s Loops
- The Book
- Compartments
All books feature stunning covers by the Japanese artist Youchan Ito, and are available at Amazon and major booksellers worldwide.