The 5906 is an excellent choice. Check out this web site for a manual.
http://pdf.textfiles.com/manuals/FIR...s&w_pistol.pdf
For cleaning the barrel and other parts, I use Breakfree CLP or Gunzilla CLP. For a lube, I use Militec-1. I'm sure you will get a dozen recommendations, but as long as you use anything besides spit or water, you're good to go.