Gifts for 12 year old boy "Difficult Riddles For Smart Kids: 1331 Brain Busters That Will Test Your Wits" As Ralph Waldo Emerson once said, "The mind once stretched by a new idea, never returns to its original dimensions." Prepare to stretch young minds to their fullest with "Difficult Riddles For Smart Kids" - an engaging, brain-tingling collection of 1331 riddles that promise to challenge,...