| Interference: Book Two | |
| Author: | Lawrence Miles |
| Series: | Doctor Who book: Eighth Doctor Adventures |
| Release Number: | 26 |
| Subject: | Featuring: Eighth Doctor, Third Doctor Sam, Fitz, Compassion and Sarah |
| Release Date: | August 1999 |
| Publisher: | BBC Books |
| Isbn: | 0-563-55582-3 |
| Followed By: | The Blue Angel |
Interference – Book Two: The Hour of the Geek is an original novel written by Lawrence Miles and based on the long-running British science fiction television series Doctor Who. It features the Eighth Doctor, the Third Doctor, Sam, Fitz and Sarah Jane and K-9.
The book also marks Sam's departure, the introduction of new companion Compassion, and culminates in an alternate regeneration for the Third Doctor.