Read the following conversation and answer the question.

M: Excuse me, I am looking for the textbook by a Professor Jordon for the marketing course.

W: I am afraid it's out of stock. You'll have to order it. And it will take the publisher 3 weeks to send it to us.

Question: Where did this conversation most probably take place? 

- At a publishing house.

- At a bookstore.

- In a reading room.


At a bookstore.