texts: What if I don't know the title of the book ? </s> <s> Well , you can look under the author's name . </s> <s> Could you give me an example ?
labels: Suppose you want to find a book by your professor , William Smith . You'd look under SMITH and then WILLIAM . Since that's very common name , you may have to go through several ' William Smith ' until you come to the one who wrote book on the subject you are interested in .