heres probably the simplest option...get a mac. all new macs come with "print as PDF" as a print option.

in order to make a "book" you would need to use a layout program like quark or adobe indesign.

Ah yes... get a whole new/different computer/OS just so you can make PDFs... makes perfect sense to me!

Nothing spells "simple" like buying an over-priced, non-upgradable computer and learning an entirely different OS.

http://www.primopdf.com/

Very basic, and because of this, it creats PDF files faster than Adobe Acrobat does. Of course, it doesn't have all the extra stuff Adobe has.