4043826
9780812922141
Pit your wits against the number crunchers at Mensa Publications who have devised this demonic collection of over 200 mind-boggling number puzzles. These are fun puzzles, but they are by no means easy. If you can solve them, you'll be a candidate for Mensa -- the internationally famous high-IQ society!MENSA Publications Staff is the author of 'Mensa Presents Number Puzzles for Math Geniuses' with ISBN 9780812922141 and ISBN 081292214X.
[read more]