M.C. Edminston, "Fantastic Book of Math Puzzles"
English | 2006 | ISBN-10: 8122202365 | PDF | 96 pages | 5 MB
It is not like any place you've been before...
Pymm is the land of the most mind-blowing math puzzles ever! It is also the land inhabited by humans, elves, dwarves, minotaurs, dragons, and wizards - all trying to solve mathematical riddles and puzzles. As you wander through these eighty-plus puzzles, may the spirit of the great dragon-slayers be with you, because you will face some mighty tricky questions.