Answer: bookworms

AnswerCrossword Clue
BOOKWORMSVery serious students
BOOKWORMSLiterary beetles.
BOOKWORMSOnes who study hard
BOOKWORMSThey haunt libraries
bookwormsThe larva of a wood-boring beetle that feeds on the paper and glue in books
bookwormsBOOKWORM, a avid book reader
bookwormsA person devoted to reading