Quick tricks : easy (and impressive) calculations
A little give and take : mental addition and subtraction
Products of a misspent youth : basic multiplication
New and improved products : intermediate multiplication
Divide and conquer : mental division
Good enough : the art of "guesstimation"
Math for the board : pencil-and-paper math
A memorable chapter : memorizing numbers
The tough stuff made easy : advanced multiplication
Presto-digit-ation : the art of mathematical magic
Epilogue by Michael Shermer : how math helps us think about weird things.
