Make the postscript to the exact document size. (if you are creating a 5.5 x 8.5 book then make the postscript to 5.5 x 8.5.)
Make sure the bleeds are set to at least .125 inch. (even though we are asking for the exact size for the pdf the bleeds will show up when we print.)
Distill using the options we have supplied here on our website.
Download the proper one. We have one for Windows (click here) and one for Mac OS (click here).
Either unzip or unstuff the files. (Click here for WinZip (Windows) or here for Stuffit (Mac))
Place the unzipped or unstuffed files in the Settings Folder in Distiller.
When you start Distiller you must select the options where it says "Job Options" before distilling.