A few blocks away from the bookstore as we walked back to the hotel, I was waiting for the light to change to cross the street. A man approached, looked at the bag I was carrying, and asked, "Did you just buy the new Harry Potter book?" "Yes," I answered, unsure what else he thought it might be, considering it was close to 1 am on Saturday morning, and the street was crowded with costumed fans. "I'll give you 200 dollars for it." Then he pulls out a wad of (Canadian) bills and starts counting. I didn't respond immediately, but when he looked back up at me I realized that my face was distorted with an expression of disbelief and disgust. I quietly squeaked out "No," and the man shrugged and walked on. "You should have taken him up on it." "I don't want to wait in line for four hours to get another copy!" "That's a lot of money." "That was an unfair question! And if you really wanted to tur...