Paperback (13 Jun 2017)
Includes delivery to the United States
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A mathematics-based, crossword puzzle SYSTEM. Volume 2 of 3. The unsolved Abstract Crossword puzzles. Introduces the novelty of 2D Regular Expressions! Across and down, simultaneously. Seniors, when you sign up for Medicare coverage of your physical health, at the same time purchase this series of mental exercises to sharpen and re-sharpen your brain on a regular basis.
| ISBN: | 9781547164165 |
| Publisher: | Amazon Digital Services LLC - Kdp |
| Imprint: | Createspace Independent Publishing Platform |
| Pub date: | 13 Jun 2017 |
| Language: | English |
| Number of pages: | 632 |
| Weight: | 1442g |
| Height: | 279mm |
| Width: | 216mm |
| Spine width: | 32mm |
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