The following books I added to the core including the covers and all info:
Black Ritual: The Book of Nyx #1A
Black Ritual: The Book of Nyx #1B
Black Ritual: The Book of Nyx #1C
Black Ritual: The Book of Nyx #1D
Deadly Tales of the Gunslinger #6A
Deadly Tales of the Gunslinger #6B
Gunslinger Spawn #43A
Gunslinger Spawn #43B
King Spawn #45A
King Spawn #45B
Medieval Spawn #1A
Medieval Spawn #1B
Medieval #1C
Medieval Spawn Kickstarter #1A
Medieval Spawn Kickstarter #1B
Medieval Spawn Kickstarter #1C
Rat City #13A
Rat City #13B
Sam & Twitch Case Files #14A
Sam & Twitch Case Files #14B
The Scorched #41A
The Scorched #41B
Spawn #111B Newsstand Edition
Spawn #365A
Spawn #365B
Spawn: No Home Here #1B
Spawn: No Home Here #1D