1) They are giving you the opportunity to say, "I have some copies" because many authors do sell copies of their books (especially if they are running around doing readings) and the author makes more money off those, or...
2) They are really asking "Which bookstore do you recommend/treats you nicest?"
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1) They are giving you the opportunity to say, "I have some copies" because many authors do sell copies of their books (especially if they are running around doing readings) and the author makes more money off those, or...
2) They are really asking "Which bookstore do you recommend/treats you nicest?"