Based on the context and the answer, generate a question. 

Context: Lee Gutkind sent me a signed copy of his book Forever Fat : Essays by the Godfather because it sold out at our " 5 R 's of Creative Nonfiction " workshop last Saturday before I could buy it . Anyone who knows me knows I do not approach things in an ordered way . Even books .

Answer:

Because people were very interested in it .



Why did the book sell out at the workshop ?