| 0 | Boris Karloff Tales of Mystery | cover | 1 | pencils: George Wilson; inks: George Wilson; colors: George Wilson | Brad Stewart |
| 1 | - | promo (ad from the publisher) | 1 | letters: typeset | Mickey Mouse; Donald Duck; Scrooge McDuck; Huey Duck; Dewey Duck; Louie Duck; Goofy; Pluto; Doc; Chip; Dale; Jiminy Cricket |
| 2 | Contents | table of contents | 2 | letters: typeset | |
| 3 | The Slime Thing | comic story | 10 | script: Don Glut; pencils: Dan Spiegle; inks: Dan Spiegle; letters: Bill Spicer | Boris Karloff; Theodore Golderson; Professor Lohr |
| 4 | The Fire Worshippers | comic story | 9 | pencils: Mike Roy; inks: Mike Peppe; letters: Ben Oda | Boris Karloff; Brad Stewart |
| 5 | The Door of Doom! | comic story | 5 | pencils: Bill Draut; inks: Bill Draut; letters: Ben Oda | Carl Denver; Trudy Denver; Cagliostro; Countess Duroc; Count Duroc; Fritz Ulrich |
| 6 | Mystic Journey | comic story | 9 | pencils: Frank Thorne; inks: Frank Thorne; letters: Ben Oda | |
| 7 | A Taste of Money | comic story | 10 | script: Don Glut; pencils: Dan Spiegle; inks: Dan Spiegle; letters: Bill Spicer | Joe Techter; Carl Zangerl |
| 8 | The Man Who Lived In Yesterday | comic story | 14 | pencils: Frank Bolle; inks: Frank Bolle; letters: Ben Oda | Linda; Seth Parker; Boris Karloff; Emile |
| 9 | Miracle From the Deep | comic story | 4 | pencils: Tom Gill; inks: Tom Gill; letters: Tom Gill | Robertson; Jack |
| 10 | The Curse of the Scharnhorst | comic story | 4 | pencils: Fred Fredericks; inks: Fred Fredericks; letters: Fred Fredericks | Adolf Hitler |
| 11 | The Evil of Xorkon | comic story | 12 | script: Don Glut; pencils: Jesse Santos; inks: Jesse Santos; letters: Bill Spicer | Duroc; Lorlee; Xorkon |
| 12 | Valley of the Monsters | text story | 21 | pencils: Luis Dominguez; inks: Luis Dominguez | Pooka; Irach; Anthony Bridges; Clare Palmer; Dr. Lakeridge; Don Boyle; Paul Carson; Targo |
| 13 | Burn, Witch, Burn | comic story | 6 | pencils: Don Heck; inks: Mike Peppe; letters: Ben Oda | Boris Karloff; Duke; Joe; Abigail Whiteside; Mephisto (cat) |
| 14 | Oh, You Beautiful Doll | comic story | 9 | pencils: Sal Trapani; inks: Sal Trapani; letters: Ben Oda | Boris Karloff; Casper Gumm; Nancy; Harold; Annie |
| 15 | The Screaming Skull | comic story | 3 | pencils: Jeff Jones; inks: Jeff Jones; letters: Ben Oda | Boris Karloff; Max Kidron; Dan Brothers |
| 16 | How Green Was My Thumb | comic story | 10 | script: Don Glut; pencils: Dan Spiegle; inks: Dan Spiegle; letters: Bill Spicer | Jerry Conway; Mr. Strang; Midnight (cat) |
| 17 | - | promo (ad from the publisher) | 1 | pencils: various; inks: various; letters: typeset | Tubby; Woody Woodpecker; Bugs Bunny; Andy Panda; Little Lulu; Tom; Jerry; Porky Pig; The Roadrunner; Sylvester; Tweety |
| 18 | - | promo (ad from the publisher) | 1 | letters: typeset | Cracky |