Image by Flickr user Ed Yourdon

Don't tell anyone, but it isn't Santa who makes sure that all of your Christmas presents make it safe and sound underneath the tree.

The unsung heroes of the holidays, package delivery employees, have been gearing up to work overtime and extra hard this holiday season.

Hop over to The Post and Courier to read about what happens behind the scenes at FedEx and the U.S. Postal Service during the busiest month of the year.