PDF+PDF is a free and small Dashboard widget designed for joining together two or more PDF files. Just drag and drop the pdfs.Simply put, it lets you join or merge two or more PDF documents into one. You only have to copy and paste, or drag and drop the desired PDF files into the widget, press the \"=\" button, and it\'s done, you have your resulting document in your desktop.Besides this basic functionality you can also:· Drag and drop the files in the widget in the order you wish them to be merged.· Delete files from the list if you mistakenly added them.· Chose other name for the resulting file that will be placed on your desktop.· And many more you can discover by playing with it (for example selecting the range of pages you want to use in each file).