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Classic Mathemagic
by Raymond Blum, Adam Hart-Davis, Bob Longe, Derrick Niederman
from Sterling Publishing
Customer Reviews:
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Avg. Customer Rating: 3.0 / 5.0 
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Not bad
There are lots of good problems in here, but many times the instructions are poor so you arrive at solutions which are valid yet don't use the trick they are trying to get you to use. Some of the solutions are downright wrong, again because they fail to use proper instructions and correct terminology. Still, it's good for the brain, and there is some good stuff in here.
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May have mistakes?
My nephews have this book on their shelf. Being a math graduate student, I flipped it open to see what's inside. It looks interesting, and certainly has some cool stuff.
However only after 5 minutes, I ran across this (keep in mind composite numbers are numbers which are NOT prime):
"Are there ever 1,000,000 consecutive composite numbers?"
I know it's true by an abstract algebra theorem. I was curious how they would explain it to a young adult reader. This was how:
"The answer is an... more info
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