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| Author | Justin Richards |
|---|---|
| Cover artist | Mark Salwowski |
| Series | Doctor Who book: Virgin New Adventures |
Release number | 12 |
| Subject | Featuring: Bernice Summerfield |
| Publisher | Virgin Books |
Publication date | April 1998 |
| ISBN | 0-426-20524-3 |
| Preceded by | Oblivion |
| Followed by | Dry Pilgrimage |
The Medusa Effect is an original novel by Justin Richards featuring the fictional archaeologist Bernice Summerfield. The New Adventures were a spin-off from the long-running British science fiction television series Doctor Who .