The MacAddict Guide to Making Music With GarageBand is availble at Amazon and other booksellers. This book was wriiten by award winning Producer and Mac Jams member Jay Shaffer and Gary Rosenzweig and shows you what you need to know to get the most out of GarageBand whether you're a beginner or a Mac music veteran. Check out the MacAddict Guide to Making Music With GarageBand Website, which even includes 15 MB free Apple Loop pack in the download section.