We've learned about a secret some of you have - a secret that involves crayons, markers and colored pencils.Well, you're not alone. On amazon right now, on the top ten list of the most popular items, adult coloring books are presently ranked number 3, and that is not just books. It surpasses all products in every category, even electronics, toys, fashion, and jewelry. This is the new trend, and adults love the peace and tranquility they get from coloring in and creating their own masterpieces.