El libro básicamente es el mismo que en su edición estándar pero se le ha añadido un prefacio de doce páginas, y la partida The Haunting que teníamos hasta ahora en la Guía de inicio rápido, ya sabéis, ese escenario de la Casa Corbitt que llevaba desde la primera edición en el básico y que en esta séptima se quitó.
Foto-Reseña en el blog Susurros desde la oscuridad
Contenidos
| # | ▲Título▼ | ▲C▼ | Autor | V |
| 0 | Cover (for "Call of Cthulhu 7th ed. Keeper Rulebook") |   | Sam Lamont | — |
| 1 | Preface to the 40th Anniversary Edition |  ? | Paul Fricker, Lynne Hardy, Penelope Love, Fred Malmberg, Stephen R. Marsh, Mike Mason, Mark Morrison, Sandy Petersen, Dustin Wright | — |
| 2 | The Cthulhu Figurine |   | Paul Carrick | — |
| 3 | Foreword (for "Call of Cthulhu 7th ed. Keeper Rulebook") |   | Sandy Petersen | — |
| 4 | Dunwich Horror |   | François Launet | — |
| 5 | Yog-Sothoth |   | Victor Manuel Leza Moreno | — |
| 6 | Chapter I: Welcome to Call of Cthulhu! (Overview of the Game & Example of Play) |   | Sandy Petersen, Lynn Willis → Paul Fricker, Mike Mason | — |
| 7 | Lovecraft for Paul |   | Jonathan Wyke | — |
| 8 | Chapter II: H. P. Lovecraft and the Cthulhu Mythos (Howard Phillips Lovecraft) |   | Keith Herber → Paul Fricker, Mike Mason | — |
| 9 | Chapter II: H. P. Lovecraft and the Cthulhu Mythos ( The Cthulhu Mythos) |   | Keith Herber → Paul Fricker, Mike Mason | — |
| 10 | Return to Yith |   | Paul Carrick | — |
| 11 | Chapter III: Creating Investigators |   | Sandy Petersen, Lynn Willis → Paul Fricker, Mike Mason | — |
| 12 | Hastur the Unspeakable |   | Paul Carrick | — |
| 13 | Chapter IV: Skills |   | Sandy Petersen, Lynn Willis → Paul Fricker, Mike Mason | — |
| 14 | Cortexulons v2 |   | Sam Lamont | — |
| 15 | Cthulhu's Kingdom |   | Marcus Vesper | — |
| 16 | Chapter V: Game System |   | Sandy Petersen, Lynn Willis → Paul Fricker, Mike Mason | — |
| 17 | Mi-Go at Copenhagen Town Square |   | Victor Manuel Leza Moreno | — |
| 18 | Fighting off the Shoggoth |   | Robert Gould | — |
| 19 | Chapter VI: Combat |   | Sandy Petersen, Lynn Willis → Paul Fricker, Mike Mason | — |
| 20 | Mythos Car Chase |   | Mike Perry | — |
| 21 | Chapter VII: Chases |   | Paul Fricker, Mike Mason | — |
| 22 | Cthulhu Rising |   | Rachel Kahn | — |
| 23 | Asylum |   | Kalli Schultz | — |
| 24 | Chapter VIII: Sanity |   | Bill Dunn, Sandy Petersen, Lynn Willis → Shannon Appelcline, Bruce Ballon, Eric Rowe, Michael Tice → Paul Fricker, Mike Mason | — |
| 25 | Nyarlathotep II |   | François Launet | — |
| 26 | Nyarlathotep (Three Lobed Eye Form) |   | François Launet | — |
| 27 | Chapter IX: Magic |   | Sandy Petersen, Lynn Willis → Janice Engan, Keith Herber, Kevin Ross, Brian Sammons → Paul Fricker, Mike Mason | — |
| 28 | Cthulhu 1790 |   | Fiend Upon My Back | — |
| 29 | Chapter X: Playing the Game |   | Sandy Petersen, Lynn Willis → Sam Johnson → Paul Fricker, Mike Mason | — |
| 30 | Cthulhu Statue Revisited |   | Paul Carrick | — |
| 31 | Flying III |   | François Launet | — |
| 32 | Nyarlathotep (howling avatar) |   | François Launet | — |
| 33 | Arkham, Massachusetts |   | Gus diZerega → Joe Rossomanno | — |
| 34 | Hound of Tindalos |   | Antonio José Manzanedo | — |
| 35 | Chapter XI: Tomes of Eldritch Lore (Mythos Tomes) |   | Sandy Petersen, Lynn Willis → Janice Engan, Keith Herber, Kevin Ross, Brian Sammons → Paul Fricker, Mike Mason | — |
| 36 | Dark Young of Shub Niggurath |   | Paul Carrick | — |
| 37 | Chapter XI: Tomes of Eldritch Lore (The Necronomicon) |   | Keith Herber → Paul Fricker, Mike Mason | — |
| 38 | Spell Casting |   | Victor Manuel Leza Moreno | — |
| 39 | Chapter XII: Grimoire |   | Sandy Petersen, Lynn Willis → Paul Fricker, Mike Mason | — |
| 40 | Yithian Temporal Communicator |   | Paul Carrick | — |
| 41 | Chapter XIII: Artifacts and Alien Devices |   | Shannon Appelcline → Paul Fricker, Mike Mason | — |
| 42 | Chaosium Werewolf |   | Petr Štovik | — |
| 43 | Chapter XIV: Monsters, Beasts, and Alien Gods (Mythos Monsters) |   | Scott David Aniolowski, Sandy Petersen, Lynn Willis → Shannon Appelcline → Paul Fricker, Mike Mason | — |
| 44 | Chapter XIV: Monsters, Beasts, and Alien Gods (Deities of the Mythos) |   | Shannon Appelcline, Sandy Petersen, Lynn Willis → Paul Fricker, Mike Mason | — |
| 45 | Chapter XIV: Monsters, Beasts, and Alien Gods (Traditional Horrors) |   | Scott David Aniolowski, Sandy Petersen, Lynn Willis → Paul Fricker, Mike Mason | — |
| 46 | Chapter XIV: Monsters, Beasts, and Alien Gods (Beasts) |   | Scott David Aniolowski, Sandy Petersen, Lynn Willis → Paul Fricker, Mike Mason | — |
| 47 | Nyarlathotep |   | Victor Manuel Leza Moreno | — |
| 48 | Cthulhu |   | Sergio Díaz | — |
| 49 | Amidst the Ancient Trees |   | Mike Mason, Matthew Sanderson | 9.00 |
| 50 | Crimson Letters |   | Alan Bligh, Mike Mason | — |
| 51 | Mi-Go the Fungi from Yuggoth |   | Nicholas Cloister | — |
| 52 | Chapter XVI: Appendices |   | Paul Fricker, Mike Mason | — |
| 53 | Lovecraft Country (The Commonwealth of Massachusetts in 1922) |   | Stephanie McAlea | — |
| 54 | 1920s Investigator Sheet |   | Dean Engelhardt | — |
| 55 | Modern Era Investigator Sheet |   | Dean Engelhardt | — |
| 56 | The Haunting (7th edition version) |   | Sandy Petersen → Paul Fricker, Mike Mason, Lynn Willis | 7.33 |