Book collecting is the collecting of books, incluing seeking, locating, acquiring, organizing, cataloging, displaying, storing, and maintaining whatever books are of interest to a given individual collector. The love of books is bibliophilia, and someone who loves to read, admire, and collect books is a bibliophile. Bibliophilia is sometimes called bibliomania but should not be confused with the obsessive-compulsive disorder by that name, which involves the excessive accumulation and hoarding of books. The term bookman, which once meant a studious or scholarly man, now means one who writes, edits, publishes, or sells books. A book dealer is one whose profession is the buying and reselling of rare or used books.