Enola Holmes

Nancy Springer

Paperback

Enola's mother disappears and Enola has to piece together the clues to find her. 

During the course of her investigation she finds herself in the middle of a mystery that involves the kidnapping of a young Marquess. There are so many clues and discoveries to be made and evil villains to escape. 

A Netflix original film called Enola Holmes was based on this book.