The colleague: one of the more difficult people in your life to buy a present for come holiday season. You might not know them as well as your family, but you likely spend an inordinate amount of time with them. Luckily that means you're more familiar with their work habits than most, so you're in a unique position to nab them a gift that not only expresses how you feel about your friendship, but is also something they can actually use. And that -- of course -- is where we come in. The Engadget Holiday Gift Guide is here to quell your fears of office discomfort, and lead you to the promised land of co-worker gift satisfaction. Read on for the full rundown, and don't forget to check out our other guides right here!