Say what you want about the current spate of e-books, few will do anything to hold the interest of your three-year-old nephew. To those who like to keep peanut butter and jelly out of the keys if their Kindles that's a good thing, but for Barnes & Noble that's a business opportunity waiting to be tapped. According to The Wall Street Journal, the company will soon launch Nook Kids, a dedicated collection for young readers expected to start with an impressive selection of 12,000 titles. Many of those will be "enhanced," like the book Jamberry