Catch a copy of this one before it sells out! Available from the Rue Morgue shop:
Cryptid Art is the way to go if you're looking for a truly unique and one of a kind gift for the monster hunter on your list, and hands down one of my favorite sources is "Eerie" Eric Fargiorgio. Eric works in a variety of mediums, does original pieces, and has also become known for adding monsters, UFOs and other oddities to classic paintings. You haven't seen an old landscape until you've seen one with Sasquatch roaming across it!
If you manage to catch Eric at an event, you'll get to see a range of his work, otherwise, contact him through his Facebook page and see what he has available: