| Publisher | Chaosium, Inc. |
| Editor | Sandy Petersen |
| Artist | Steve Purcell |
| Maps | Mike Blum |
| Typeset by | Theresa Griffin |
| Layout by/Layout Coordinator | Tadashi Ehara |
| Proofreader | Lynn Willis |
| Format | Soft cover |
| Language | English |
| Location | Albany, CA |
| First Printing | 1984 |
| Pages / Font | 63 pages |
| ISBN | 0-933635-05-2 |
| Catalog Number | Chaosium publication 2308 |
| Chapters | Introduction
I. The Trail of Tsathogghua
II. The Curse of Tsathogghua
III. The Haunted House Introduction
I. The Trail of Tsathogghua
II. The Curse of Tsathogghua
III. The Haunted House Show all ▾ |
| Notes | A supplement for Call of Cthulhu roleplaying game (2nd edition). Contains three scenarios that can be played as a campaign. First edition, "Tsathogghua" spelled differently on later edition. |
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