Mental gymnastics : recreational mathematics puzzles
| Main Author: | Hess, Dick |
|---|---|
| Format: | Open Shelf |
| Published: |
Mineola, New York:
Dover Publications, Inc,
2011.
|
| Subjects: |
| Physical Description: |
148 p.; 21.5 cm.. |
|---|---|
| ISBN: |
9780486480541 |