bookish

lukuintoinen, kirjoihin uppoutuva Given to reading; fond of study; better acquainted with books than with people; learned from books.
1783, w:Benjamin Franklin|Benjamin Franklin, The Autobiography of Benjamin Franklin‎, page 16

From a child I was fond of reading, and all the little money that came into my hands was ever laid out in books. (..) This bookish inclination at length determined my father to make me a printer, though he had already one son (James) of that profession.

Obviously, neither Corneille nor the characters who laugh at excessively bookish speech avoid literary convention.