The Merge PDF tool is a command line tool that will enable you to merge two or more PDF files into one PDF file.
MergePDF - 1.0 - Copyright © BullZip 2010Installation
To install this tool you simply download the zip file and unpack it. In the zip file you will find a file named mergepdf.exe. Copy mergepdf.exe to the application folder folder of the PDF printer. Now you can run it from a command line and start merging your PDF files.