Amazon has kicked off its ‘3 for 2’ sale on books ahead of Black Friday this year and it's filled to the brim with hardcovers and special editions. This year’s sale includes one of the best gift ideas for LOTR fans — illustrated editions of The Hobbit. The Hobbit is one of the best-selling books of all time , which means there are actually multiple illustrated editions to choose from. Thankfully almost all of them are included in this sale and discounted right now. Buy 2, Get 1 Free Hobbit Illustrated Editions If you aren’t already familiar with how Amazon’s ‘3 for 2’ sales work, it’s pretty straightforward. All you need to do is add three eligible items to your cart and the cheapest one will automatically be discounted from your total at checkout. So if you want to take full advantage of the promotion, you’ll want to buy three similarly priced books at once. Of the three hardcover illus