91色情片

Don鈥檛 let the somewhat elegiac title of Martin Gardner鈥檚 book put you off.
The Last Recreations refers to the ultimate siftings of the mathematical puzzles
column that Gardner contributed to Scientific American for 30 years. It provides
some spell-binding moments. How to get a personal note inside somebody鈥檚
uncracked breakfast egg for instance. Published by Copernicus,
拢15.95/$25, ISBN 0387949291.