book club

noun
1
an organization that sells books cheaply to its members
باشگاه خرید کتاب
2
a group of people who meet together regularly to discuss a book they have all read
باشگاه کتاب, گروه کتاب‌خوانی, محفل کتابخوانی, حلقه کتابخوانی
I belong to a book club which meets once a month.