To start with Lightroom 3

Gone are the days of hundreds-page user's manual accompanying each piece of software. Nowadays you have to rely on the help manual within the software, or the website of the software developer. But a better source is the community on the net, in particular where you need to make decisions. Here is a good "walk-through" guide for Lightroom 3:

• Photokaboom, a clear written guide covering all major issues.