1) Acquisitiveness 2) Obsessed with book collecting 
• (a.) Pertaining to a passion for books; relating to a bibliomaniac.
Bib`li·o·ma·ni'ac·al adjective Pertaining to a passion for books; relating to a bibliomaniac. 
[adj] - characteristic of or characterized by or noted for bibliomania
bibliomaniacal A reference to anyone who has an intense inordinate desire to collect and possess books; especially, rare and curious ones.
adjective characteristic of or characterized by or noted for bibliomania