Who wrote Lucy locket?

It seems you're asking about a book or story called "Lucy Locket." However, there isn't a well-known book or story with that exact title.

To help me figure out what you're looking for, could you please tell me:

* Is it a children's book?

* Is it a novel?

* Do you remember any other details about the story, such as the characters, plot, or setting?

With more information, I can help you find the author of the book you're looking for.