| Publisher | Chaosium, Inc. |
| Editor | Lynn Willis |
| Artist | Tom Sullivan |
| Typeset by | Tadashi Ehara |
| Layout by/Layout Coordinator | Charlie Krank |
| Format | Soft cover |
| Language | English |
| Location | Albany, CA |
| Copyright | 1982 |
| Pages / Font | 72 pages |
| Catalog Number | Chaosium publication 2010 |
| Chapters | Chapter One: The Hermetic Order of the Silver Twilight
Chapter Two: Look to the Future
Chapter Three: The Coven of Cannich
Chapter Four: Devil's Canyon
Chapter Five: The Worm that Walks
Chapter Six: The Watchers of Easter Island
Chapter Seven: The Rise of R'lyeh
Bonus Scenario One:The People of the Monolith
Bonus Scenario Two: The Warren Chapter One: The Hermetic Order of the Silver Twilight
Chapter Two: Look to the Future
Chapter Three: The Coven of Cannich
Chapter Four: Devil's Canyon
Chapter Five: The Worm that Walks
Chapter Six: The Watchers of Easter Island
Chapter Seven: The Rise of R'lyeh
Bonus Scenario One:The People of the Monolith
Bonus Scenario Two: The Warren Show all ▾ |
| Notes | First published campaign for Call of Cthulhu roleplaying game Includes campaign with seven scenarios and two bonus scenarios Second printing was printed in 1983 (catalogue number 2397) |
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