The 4th Edition of "The iPod Book" is released by Peachpit Press.Peachpit Press announced the immediate availability of The Ipod Book: Doing Cool Stuff with the iPod and the iTunes Store, Fourth Edition on Friday. The new edition of Scott Kelby's iPod and iTunes Store guide explains how to use Apple's iPod touch, 3G nano, classic, and shuffle, how to get the most out of iTunes, using an iPod in