Brain Stretching Math Riddles This book is the second in a series of riddles books. It is a collection of 150 brain teasing math riddles and puzzles. Their purp

Brain Teasers for Kids - Riddles for the Whole Family "The mind once stretched by a new idea, never returns to its original dimensions." Ralph Waldo Emerson Thi

Stump your friends and family with this fun, challenging math puzzle book! Who knew that math could be so cool? Crammed with games, puzzles, and trivia, The Eve

Spark Curiosity and Challenge Young Minds with Difficult Math Riddles for Smart Kids! Is your child a math whiz who craves a challenge? Look no further than Dif