| 0 | - | cover | 1 | pencils: Mike Mignola; inks: Mike Mignola; colors: Dave Stewart | Abe Sapien; Roger the Homunculus; Johann Kraus |
| 1 | Title & Indicia Pages | credits, title page | 2 | | |
| 2 | BPRD: Hollow Earth #2 cover | cover reprint (on interior page) | 1 | pencils: Mike Mignola; inks: Mike Mignola | Abe Sapien; Roger the Homunculus; Johann Kraus |
| 3 | Hollow Earth credits | credits, title page | 1 | | |
| 4 | - | comic story | 66 | script: Mike Mignola, Christopher Golden, Tom Sniegoski; pencils: Ryan Sook; inks: Ryan Sook, Curtis Arnold; colors: Dave Stewart; letters: Clem Robins | Liz Sherman; Kate Corrigan; Johann Kraus; Hellboy; Tom Manning; Abe Sapien; Roger the Homunculus; Trevor Bruttenholm |
| 5 | Hollow Earth notes | text article | 1 | script: Scott Allie | |
| 6 | - | comic story | 3 | script: Mike Mignola, Christopher Golden, Tom Sniegoski; pencils: Ryan Sook; inks: Ryan Sook; colors: Dave Stewart; letters: Dan Jackson | Kate Corrigan; Johann Kraus |
| 7 | The Killer in My Skull and Abe Sapien versus Science credits | credits, title page | 1 | | |
| 8 | The Killer in My Skull and Abe Sapien versus Science notes | text article | 1 | script: Scott Allie | |
| 9 | The Killer in My Skull | comic story | 10 | script: Mike Mignola; pencils: Matt Smith; inks: Ryan Sook; colors: Dave Stewart; letters: Pat Brosseau | Lobster Johnson |
| 10 | Abe Sapien versus Science | comic story | 8 | script: Mike Mignola; pencils: Matt Smith; inks: Mike Mignola; colors: Dave Stewart; letters: Pat Brosseau | Roger the Homunculus; Abe Sapien |
| 11 | Abe Sapien: Drums of the Dead cover | cover reprint (on interior page) | 1 | pencils: Mike Mignola; inks: Mike Mignola | Abe Sapien; Hellboy |
| 12 | Drums of the Dead credits & notes | credits, title page | 1 | script: Scott Allie | |
| 13 | - | comic story | 22 | script: Brian McDonald; pencils: Derek Thompson; inks: Derek Thompson; colors: James Sinclair; letters: Pat Brosseau | Tom Manning; Abe Sapien; Garrett Omatta |
| 14 | BPRD sketchbook | foreword, introduction, preface, afterword | 9 | script: Scott Allie; pencils: Mike Mignola, Ryan Sook; inks: Mike Mignola, Ryan Sook; colors: Ryan Sook | Roger the Homunculus; Johann Kraus; Abe Sapien; Kate Corrigan; Liz Sherman |
| 15 | Hellboy backlist | promo (ad from the publisher) | 1 | pencils: Mike Mignola; inks: Mike Mignola; colors: Dave Stewart | Hellboy; Lobster Johnson; Roger the Homunculus |
| 16 | back cover | promo (ad from the publisher) | 1 | | |