Problem-Solving Strategies was recommended by Simon as THE BOOK for me if I ever want to join USAMO.

I received my International version at 4/21/08. International version is a lot more cheaper but only allowed to be sold in a few developing countries.

How great is this book? After reading the first 2 pages I'm already convinced that anyone who seriously wants to prepare for high school and college math contests should get this book, unless you created math from scratch, which I know you didn't.

Look at the Amazon product review. All the reviewer credit it a 5.
I will rate it soon, when I get at least half way into the book.

Wait for my review when the status change to Already Read.