Math Olympiad Contest Problems, Volume 2 (REVISED)
Creative Problem Solving in School Mathematics
Math Contests For Grades 4, 5, and 6: School Years 2006-2007 Through 2010-2011
Competition Math for Middle School
American Mathematics Competitions (AMC 8) Preparation (Volume 2)
American Mathematics Competitions (AMC 10) Preparation (Volume 3)
Prealgebra
Math Contests, Grades 4, 5 & 6, Vol. 5