Author Julia Quinn has been around for awhile, writing entertaining books of historical fiction. As many authors are now doing, she writes books that each base the story on different characters who are related in some manner. Usually these books do not need to be read in order, but Quinn has two that really really need to be read not only in order, but one right after the other.
The first book is The Lost Duke of Wyndham and the second is Mr. Cavendish, I Presume. Both cover the exact same time period with the same characters. However they are told from the point of view of different people and it makes for quite entertaining reading. Both have a good sense of humor and sense of the absurd.
For a fun reading time, get both of these.