This question covers all ages and topics. I have to buy for a number of friends and family. I also want a couple to read over the holidays (maybe wishful thinking - probably will sit next to my bed for a while). The book doesn't necessarily have to be Christmas themed - but wintery ones get bonus points.
I'm currently enjoying The Christmas Daemon - I quite like the cover too!
Sherlock Holmes and the Christmas Demon (Cthulhu Casebooks): Amazon.co.uk: James Lovegrove: 9781785658044: Books