Clifton, John Lee: Dr. Doom's Theatre of Blood ©2021 Magic World Publishers Softcover, comb-bound, 8.5x11", 51 pages Also in: Softcover, saddle-stitched, 5.5x8.5", 73 pages Original: ©1970s (circa), Mystery Castle, OH Softcover, saddle-stitched, 8.5x11", 8 pages

Original cover Image courtesy

Magic World Publishers Image courtesy eBay seller house_of_mystery

Comments: Book of haunted house ideas. The original book only had 8 pages, but each page included 4 reduced type pages, so it really had about 32 pages.
The newly revised edition adds additional content.

Contents (from Magic World Publishers revised edition ToC):

4 Visible Cremation Illusion
5 Crepe Hair
6 Rotting Mummy
6 Products of Interest
8 Power Saw Through Girl
9 Incredible Needle Trick
10 Razor Blade Thumb Slice
10 Haunted House Act
17 Appearing Ghoul Face
18 Spirit Faces
18 Girl Thrown Off Balcony
18 Performance Notes
19 More Uses for Floating Gimmick
19 DIY Glowing Slime
20 Uses for Glowing Slime
21 Stage Blood
21 Blood Capsules
21 Torture of a Princess
25 Fun With Inflatable Legs
26 Theatre of Blood
26 - Spiderella
26 - The Exorcist
27 - Milo's Meat Market
27 - Snakes on the Loose
28 - Avalanche!
28 The Vanishing Guide
29 Cheap Devils
29 How Not to Put on an Illusion Show
39 Bloody Eyeballs
39 Horrible Rubber Hand
40 Exploding Vanishing Fireballs
40 Cut or Ripped Open Throat
40 Blood Knife
41 Haunted House Torture Room
43 Sparks and Flashes From the Eyes
44 Bathtub Murder Scene
44 Rotting Corpse Effect
45 Vermin-Infested Wall
46 Last Date
47 Appearing/Vanishing Floating Skull
48 Wax Museum
48 Maze to Nowhere
49 Gift Shop
51 Recommended Titles