- The USSR Olympiad Problem Book: Selected Problems and Theorems of Elementary Mathematics
- Challenging Mathematical Problems With Elementary Solutions, Vol. 1
- Challenging Mathematical Problems With Elementary Solutions
- Geometric Transformations I (Number 8)
- A Simple Non-Euclidean Geometry and Its Physical Basis: An Elementary Account of Galilean Geometry and the Galilean Principle of Relativity (Texts and Monographs in Computer Science)















