Have you ever been curious about Aquaman's origins, how Batgirl managed to swing back into action after a devastating injury, or the how the powerful Red Lantern Corps came to be? Then you'll want to check out the DC Comics Encyclopedia, which just so happens to be on sale for just $20 (was $40) right now at Amazon. This meaty tome of comic book knowledge is a quick and easy Christmas gift to grab during the festive season. The DC Comics Encyclopedia $20 (was $40) This particular encyclopedia covers all things related to DC Comics up to the year 2021, providing an informative guide to the DC Multivers. It includes profiles on more than 1,200 characters ranging from icons like Superman, Batman, and Wonder Woman, to lesser-known characters like The Red Hood and Circe. The book also covers major crossover events, like Dark Nights: Metal and its sequel Dark Nights: Death Metal, giving you a comprehensive look into many of the label's best storylines. See at Amazon Since this is so affordable, you can add to your reading list with a few more discounted encyclopedias. Batman fans can get up to 50% discounts on a range of books covering the Caped Crusader's exploits across multiple forms of media, like Batman: the Ultimate Guide and Batman: The Multiverse of the Dark Knight. DC film fans will also want to check out the DC Cinematic Universe: A Celebration of DC at the Movies that's on sale for $29.46, and The Art of The Batman, which is just $30 (was $45) and is a comprehensive behind-the-scenes look at the 2022 film. Check out a list of more DC and Batman encyclopedias available below.DC Comics & Batman EncyclopediasThe Art of The Batman-- $30 ($45)Batman: The Animated Series: The Phantom City Creative Collection-- $33.77 ($60)Batman: The Multiverse of the Dark Knight-- $17.50 ($35)Batman The Ultimate Guide-- $15.76 ($30)Batmobile Manual: Inside the Dark Knight's Most Iconic Rides-- $22.49 ($40)DC Cinematic Universe: A Celebration of DC at the Movies-- $29.46 ($40)The DC Comics Encyclopedia -- $20 ($40) Continue Reading at GameSpot