[BookReview] How to Solve IT!! by Gregory Polya

George Polya's '''How to Solve It''' suggests the following steps when solving a mathematical problem.

• First, you have to ''understand the problem''.
• After understanding, then ''make a plan''.
• ''Carry out the plan''.
• ''Look back'' on your work. How could it be done better?

His book contains a dictionary-style set of strategies, but is not a cook-book.