This set of two new hardcover books from the Mrs. Jeffries Mystery series by Emily Brightwell is a must-have for any fan of crime and thriller novels. The books are written in English, with the publisher being Berkley. The titles of the books are not mentioned in the title of the listing but can be found in the description. These books belong to the Mrs. Jeffries Mystery series and are numbered 38 and 42. The genre is crime and thriller, and the topic is books.