Mac OS X service to combine PDF documents.
- Mac OS X 10.6 (Snow Leopard)
- Double-click "Combine PDFs.workflow"
- Choose File > Save As
- Hit return when prompted for a name
- In the Finder, select one or more PDF documents
- Right-click selection and choose "Services > Combine PDFs"
Selected PDF documents are combined as a new PDF file that is saved on the desktop.