Historical Fiction:
* The Mapmaker's Daughter: This novel follows the story of a young woman in 18th-century London who secretly learns the art of mapmaking.
* The Bookseller's Daughter: Set in 18th-century London, this novel tells the story of a young woman who discovers a secret society of booksellers.
* The Last Duchess: A historical novel set in 19th-century England, focusing on the life of a duchess who is accused of murder.
* The Governess: This novel tells the story of a young governess who is hired to care for two children in a remote country house.
* The House on the Hill: This novel follows the lives of two families who live in a grand house in the English countryside.
Non-Fiction:
* The Book of Forgotten Authors: A collection of essays about forgotten authors and their works.
* The Writer's Guide to Historical Fiction: A guide for writers who want to write historical fiction.
Other Works:
* The Mystery of the Missing Manuscript: A children's book about a young detective who solves a mystery.
* The Secret Life of Books: A collection of essays about the history and culture of books.
This list is not exhaustive, and McDowell has also written numerous articles and essays on various topics related to history and literature. You can find a more comprehensive list of her works on her website or on Amazon.