Portal of Evil
| First published | 1989 |
|---|---|
| Series | Fighting Fantasy › Fighting Fantasy Gamebooks #37 |
| Publisher | Puffin |
| Format | Paperback |
| Type | Novel |
| Cover art | David Gallagher |
| Pages | [288] |
| Price | £2.50 |
| ISBN | 0140328394 |
Cover artist and illustrator from Demian's Gamebook Web Page