American
Mathematics Competition books -
problem books containing past American Mathematics Competition tests. Excellent
for both beginning and intermediate problem solvers.
Mandelbrot
Competition books - open-answer and proof contest problems for
beginning and intermediate problem solvers.
NEW! NEW! NEW!
Want to learn how to tackle those tough AMC/AIME/Olympiad algebra problems? Check out Art of Problem Solving's NEWIntermediate Algebra by Richard Rusczyk and Mathew Crawford. Over 1600 problems!