Professional page layout artists use Scribus to design magazines, flyers, books, album liner notes, and much more. It's a free, industry-strength layout program that you can install from the Add/Remove Software app in Activities Overview.
Scribus is a major application with many options and nuances for pre-flight, print production, and electronic document output. If you're familiar with Quark Xpress or Indesign, then Scribus will come naturally to you.
If you're looking for something simpler, check out the page layout modes of Open Office (otherwise known as Libre Office).