With Mountain Lion (OSX 10.8) Apple have made it even simpler to join two pdf files together – you just need to drag any pdf file into the thumbnail window of an existing pdf file and the two will be merged together!

Note: this is different for different versions of OS X.

For older versions of OS X (10.6-10.7) click here.

For OS X 10.9 Mavericks click here. Continue reading ⟩