Stone Rose (2006) by Jacqueline Rayner was the first 10th Doctor novel. It’s a well done piece that is like the old days of Doctor Who where the Doctor is less of a super hero and the bad guys are not wholly evil.
The Doctor and Rose see a statue in the British museum and travel back to Roman times to find out the origin of the
It’s well done and a quick pleasant read. The story is quite clever too. It will be interesting to see if it is adapted to become a TV show at some point.