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Post Description
A collection of 95 challenging puzzles of the "Five years ago, I was five times as old as my sister ..." variety. Answers are provided at the back of the book.
| << | ePub | World's Hardest Puzzles |
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A collection of 95 challenging puzzles of the "Five years ago, I was five times as old as my sister ..." variety. Answers are provided at the back of the book.
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