Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: Erotic romance novel Fifty Shades of Grey, by previously unknown British author EL James, has topped the New York Times best-seller list.

EL James' Fifty Shades of Grey tops New York Times list