Math Appeal: Mind-Stretching Math Riddles - Paperback By Tang, Greg - GOOD

Math Appeal: Mind-Stretching Math Riddles by Tang, Gregory; Tang, Greg

Caps For Sale book by Esphyr Slobodkina (Paperback)

Math Appeal: Mind-Stretching Math Riddles by Greg Tang And Harry Briggs

Math Appeal: Mind-Stretching Math Riddles - Paperback, by Tang Greg - Good

Math Appeal: Mind-Stretching Math Riddles - Paperback By Tang, Greg - VERY GOOD

Math-Terpieces: the Art of Problem-Solving by Greg Tang (2003, Hardcover)

How Many Seeds in a Pumpkin? - Paperback By Margaret McNamara - GOOD