Test your wits with this all-new collection of mindbusters from Mensa, the high-IQ society. Master puzzler Abbie Salny provides a fun brainteaser, logic twister, math mystery, or word game for every day of the year. Whether you're mathematically, verbally, or visually inclined, you're sure to find twelve months' worth of exciting challenges inside.Included with each puzzle's solution is the percentage of Mensa members who answered it correctly, so...