* Actors and Literature: Many actors, particularly those of Tennant's caliber, are known to be voracious readers. Reading expands their understanding of human behavior, emotions, and language, which are all essential tools for their craft.
* His Roles: Tennant has played several characters who are known to be bookworms, including the Tenth Doctor in "Doctor Who" and Kilgrave in "Jessica Jones". These roles require a certain understanding of literature and its impact on the characters.
* His Interviews: While not explicitly stating his love of reading, Tennant often talks about his appreciation for stories and the power of language in interviews, hinting at a fondness for books.
Overall, while there's no concrete evidence, it's safe to assume that David Tennant likely enjoys reading, given his profession and general personality.