"This myth-busting visual encyclopedia will amaze kids with 13 things they need to know about every topic they love and one "half fact" that dispels a common misconception or half-truth. Extraordinary images and irresistible fact snippets on each topic spread--from space to gemstones to the food we eat--make learning fun, but it's the "13ư" fact that kids will be most eager to know. Does cracking your knuckles really cause arthritis? Do ligers really exist? Are scorpions really deadly to humans? The answers to these questions and many others are revealed and will have kids digging for even more information behind the truths."--Amazon.com.