What dies Book going mean in rebus puzzle?

In a rebus puzzle, "Book going" typically represents the phrase "bookworm," which refers to someone who loves reading or spends a lot of time with books. The Word "book" visually indicates the subject, while "going" suggests movement or a state of being, reinforcing the idea of someone who is immersed in reading. This creative representation relies on the visual and contextual clues provided by the Words.