bibliomania

• I know there is such a rabies as bibliomania,—and I have myself, at Albury, a “breeches” Bible, which belonged to a maternal ancestor, a Faulkner, of course valued beyond its worth as a readable volume; and I might name many other instances; but to esteem a book chiefly because it has never been cut open, did strike my ignorance as an abnormal fatuity. —  My Life as an Author
• In Eugene Field's case it would be difficult to distinguish the line where his bibliomania, that was an inherited infatuation for collecting, ended, and the carefully cultivated affectation of the craze for literary uses began. —  Eugene Field, A Study In Heredity And Contradictions, v2
• I live in Evanston, the home of that saintly woman Miss   Willard, and under her teachings I have become convinced that   bibliomania is a sin which must be eradicated by piety and not by   pills. —  Eugene Field, A Study In Heredity And Contradictions, v2
• Symptoms of bibliomania include buying multiple copies of the same book and edition and accumulating books beyond possible capacity for use or enjoyment. —  Apartment Therapy Main
• (Alternately, it's possible that my bibliophilia has become a full-blown bibliomania).

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