Mitra Debkumar, "Mindstretch: Stories About Numbers, Maths Puzzles and Games"
P..n B..s (4-2004) | PDF | 224 pages | ISBN: 0143031503 | 15Mb

Mindstretch invites you to put your skills of problem-solving, deduction, logic and lateral-thinking to the test without being attacked by lemmas, construction, induction and sundry other mathematical demons.
And interspersed with curious facts about numbers, are magic squares, riddles on chess, a special crossword and a fascinating section showing you how to draw your own maze.