| Timeless | |
| Author: | Stephen Cole |
| Series: | Doctor Who book: Eighth Doctor Adventures |
| Release Number: | 65 |
| Subject: | Featuring: Eighth Doctor Fitz, Anji, Trix |
| Release Date: | August 2003 |
| Publisher: | BBC Books |
| Pages: | 288 |
| Isbn: | 0-563-48607-4 |
| Preceded By: | The Last Resort |
| Followed By: | Emotional Chemistry |
Timeless is a BBC Books original novel written by Stephen Cole and based on the long-running British science fiction television series Doctor Who. It features the Eighth Doctor, Fitz, Anji and Trix.
The Doctor takes a huge risk to restore the collapsing multiverse.