book club 
noun
1 another term for book group. I chose this novel for our book club but was a little disappointed in it...
- The Post has started a "Book Club," to consist of reviewers/critics orchestrating on-line discussions of various books.
- They discovered the effect of book clubs on sales was of greater financial significance than the hoopla created by a major marketing campaign.
- A Fine Balance was selected as book of the month by Oprah Winfrey's Book Club.
2An organization which sells selected books to members or subscribers, typically at reduced prices.The book club has 1.5 million members and is known to almost everybody in Shanghai....
- Small bookshops suffered from the unfair advantage which book clubs, advertising in magazines, had under the NBA.
- In the more distant parts of the Middle West where I did my academic business, book clubs were pretty much the only means on offer for getting serious books.