Wiktionary
hit the books
vb. (context idiomatic English) To study, especially with particular intensity.
WordNet
hit the books
v. learn by reading books; "He is studying geology in his room"; "I have an exam next week; I must hit the books now" [syn: study]
Usage examples of "hit the books".
You know, at home he had to hit the books and make his parents feel good and all that stuff.
And you hit the books instead of turning out to be the resident bad boy.