Wow, fantastic value and some good books. It'll end up being maybe 200 books for $15.
Humble Dynamite MEGA Holidays Bundle
https://www.humblebundle.com/books
(Thanks to Grargar and madth3 at GOG for posting this one)
Pay What You Want
Dead Irons Vol.1
Kevin Smith's Green Hornet #1
Patricia Briggs' Mercy Thompson: Moon Called Vol. 1
Devilers #1-2
Hack/Slash/Eva: Monster's Ball #1-4
Doodle Jump #1
Alice Cooper #1
Mark Waid's The Green Hornet #1-3
American Flagg! #1-6
Red Sonja: She Devil with a Sword #0-6
Chaos! #2-3
Legenderry: A Steampunk Adventure #4-5
Pathfinder #7-9
Dark Shadows: Year One #1-6
Queen Sonja #1-2
The Warriors: Jailbreak #1-4
Ex-Con #1
Bob's Burgers #1-3 (+3 copies of issue #1 to share with friends)
Beat the Average - currently $8 and change
The Living Corpse Omnibus
Doodle Jump #2
Dean Koontz's Frankenstein: Prodigal Son #1-5
Curse of the Wendigo
Monster War #1-4
Devilers #3-4
Twilight Zone #1-4
Uncanny #1
Alice Cooper #2
Mark Waid's The Green Hornet #4-6
Red Sonja #7-8
Pathfinder #10-12
Kirby Genesis #0-8
Shaft #1
Jim Butcher's Dresden Files: War Cry #1-3
pay $15 or more
Zorro #1-6
The Complete Dracula
The Romita Legacy
The Boys: Definitive Edition Vol. 1
Heart of the Beast.
In addition, you can unlock Django/Zorro #1, when you share one of Bob's Burgers #1 copies with a friend.
Available in CBZ, PDF, and ePub formats.
Also, Final Crisis essentials free at Comixology.