Many users of Adobe’s Creative Suite software are unaware that Adobe provides an excellent printing guide in PDF format to help in learning the ins-and-outs of successful commercial printing using the CS apps.The guide is an excellent resource for new users, serving as a training manual, as well as a brush-up for experienced users. The guide covers a wide-range of printing-related topics in Adobe InDesign, Photoshop, Illustrator and Acrobat. The free Creative Suite 4 Printing Guide is available in PDF format in both low-res (4.6MB) and high-res (17.7MB). If you’re still using Creative Suite 3, a link is available for that as well.