Commercial enterprise that offers periodical (often monthly) selections of books to its paid membership. Special book club editions of books may have a different binding or size from standard issue books from the same publisher.
A book club is a club where people usually meet to discuss a book that they have read and express their opinions, likes, dislikes, etc. They may also be known as book discussion clubs, and meet in private homes, libraries, bookstores, restaurants over meals, etc.
a mail order operation through which selected books are sold direct to the public at a price significantly below the recommended retail price in return for a commitment to buy a particular number of books over a period.