"I do not read SF as much as I used to. It's too much like a busman's holiday"

Jack L. Chalker's quote suggests that he no longer checks out sci-fi as much as he used to. He suggests that checking out science fiction is excessive like a busman's holiday, which is an expression utilized to describe a situation where somebody takes a holiday that resembles their everyday task. In this case, Chalker is recommending that checking out science fiction is too comparable to his job as a sci-fi writer. He suggests that he would rather take a break from his work and checked out something different. This quote recommends that Chalker values range in his reading and wishes to check out various categories. It also indicates that he understands the value of taking a break from his work and taking part in activities that are various from his job.