The Atrocity Archives (Laundry Files) by Charles Stross

I hadn't planned on reading this series until I sat in on several panels and a reading with this author. I so enjoyed his wit that I went to almost anything that had his name on it (at confusion 2013). It probably looked like I was stalking him when he showed up at my job the day after the con was over. Good thing I was working the cash register lol. Now that I've started reading them I've been recommending them left and right. I know you'll see more of his books reviewed by me.