New Beginner's Guide to NetLogo Programming

Here is a new Beginner's Guide /  Beginner's Interactive NetLogo Dictionary released by the NetLogo project.

Check it out if you want to start to learn NetLogo.
It will take you through the first steps - what NetLogo is, how to install it, which commands (primitves) to learn first, and includes several video tutorials where they show how to use NetLogo's Library and how to build a number of models from scratch yourself.