AoPS Online School/MathCounts Problem Series
The MathCounts Problem Series is a 12 week course designed to prepare highly motivated MathCounts students to solve the most challenging problems in the competition. The course was written by Mathew Crawford and Richard Rusczyk. Crawford was a national test champion and a member of the national champion Alabama MathCounts team and Rusczyk was a veteran of the national competition and has been both the keynote speaker and telecaster at the national competition.