Mac users interested in Cocoabooklet mac 10.6.8 generally download:
This program lets you create a booklet out of a PDF file, which is known as pages imposition.
It is a useful tool to reduce the number of pages that has to be printed, which lets you save a lot of paper.
A booklet is book that is bound in the middle. Which means that a booklet has four pages printed on one sheet of paper (two on each sides).