bibliophile
noun
a person who loves or collects books, especially as examples of fine or unusual printing, binding, or the like.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
They have committed the 'unpardonable sin' of bibliophilism.
From Book-Lovers, Bibliomaniacs and Book Clubs by Henry H. Harper