365 mind-expanding puzzles and conundrums for anyone who likes a challenge. It's like circuit training for the brain--an exhilarating mental workout sanctioned by Mensa, the internationally famous high-IQ society, written by renowned puzzle constructor Fraser Simpson. 365 Brain Puzzlers delivers a daily word or number challenge that's packed with fun and creativity, but tough enough to make you sweat. Test your knowledge of operations in Arithme-Pick. Get your wordplay on with Rhyme Scheme. Plus pangrams, logic puzzles, sequences, anagrams, code breaking, and word problems: If 60% of the people in line are in front of you, and 37.5% of the people in line are behind you, what is the total number of people in the line?*   Smart, addictive, and good for the brain Answers on the back of each page Introducing new eco-friendly cardboard backer and larger page size! Printed on FSC-certified paper. *40 people