Definify.com
Webster 1913 Edition
Bibliomania
Bibˊli-o-ma′ni-a
,Noun.
 [Gr. 
[GREEK] 
book + [GREEK] 
madness: cf. F. bibliomanie
.] A mania for acquiring books. 
Webster 1828 Edition
Bibliomania
BIBLIOMA'NIA
,Noun.
  Book-madness; a rage for possessing rare and curious books.