The PDF-XChange Viewer is the free alternative to the Adobe PDF Viewer/Reader - fully featured, faster and still Free!
View, Print, Export Text & Images and add content to PDF files, type on PDF's in any font, fill and save forms and much more!

In addition to all the existing features in the Free PDF-XChange Viewer - the PRO release currently offers:
* Add/Edit/Move Bookmarks
* Delete pages
* Scale Printing
* Move Pages - By Drag&drop in Thumbnails View.
* Custom Stamps (Text and Image)
* Insert/Import Pages (from existing PDF files)
* Extract pages to a new (PDF/Image File)
* Crop Pages/Files

more info: