IPA: /ˌbɪbliˈmeɪniə/
KK: /ˌbɪbliˈoʊˌmeɪniə/
An intense obsession or strong desire to collect and own books, often to an excessive degree.
His bibliomania led him to fill his entire house with rare and valuable books.
Bibliomania is formed from "biblion" (meaning book, from Greek) and "mania" (meaning madness or obsession, from Greek). The word describes an obsession or extreme enthusiasm for collecting books.
Think of 'biblion' meaning book and 'mania' meaning madness — this helps you remember that bibliomania refers to an obsession with books.
No commonly confused words.