The Grapes Of Math
Math For All Seasons: Mind-Stretching Math Riddles (Scholastic Bookshelf)
Math Potatoes
Math Appeal: Mind-Stretching Math Riddles
Math-terpieces: The Art of Problem-Solving
Math Fables: Lessons That Count
Math Curse
Math Potatoes: Mind-stretching Brain Food
Multiplying Menace: The Revenge of Rumpelstiltskin (A Math Adventure)