One who devours books, literally or figuaratively
Bibliophagist: an avid or voracious reader <Like many , Dirda sometimes has an excessively romantic view of the power of the page. — Kirkus Reviews, 1 Mar. 2006>
<Once you had got through Pooh and Dr. Dolittle, Alice and the Water Babies, you were a on the loose. — Nadine Gordimer, Telling Times: Writing and Living, 1954–2008, 2010>