WordNet (r) 3.0 (2006):

booklover
    n 1: someone who loves (and usually collects) books [syn:
         bibliophile, booklover, book lover]

Moby Thesaurus II by Grady Ward, 1.0:

53 Moby Thesaurus words for "booklover":
   bibliognost, bibliographer, biblioklept, bibliolater,
   bibliolatrist, bibliomane, bibliomaniac, bibliopegist, bibliophage,
   bibliophile, bibliophilist, bibliopole, bibliopolist, bibliotaph,
   bibliothec, bibliothecaire, bibliothecary, book agent,
   book collector, book printer, book publisher, book salesman,
   book-stealer, bookbinder, bookdealer, bookmaker, bookman,
   bookseller, bookworm, cataloger, chief librarian, college editor,
   copy editor, curator, dictionary editor, editor, editor-in-chief,
   executive editor, greasy grind, grind, juvenile editor, librarian,
   library director, managing editor, permissions editor,
   philobiblist, printer, production editor, publisher,
   reference editor, reference librarian, textbook editor,
   trade editor