The Case of the Peculiar Pink Fan is by Nancy Springer. The fourth book in the Enola Holmes series. Enola must keep her friend Lady Cecily from being forced into marriage. Unbeknownst to Enola, Cecily's mother has hired her brother Sherlock to stop the marriage as well. Can Enola prevent the marriage and avoid her brothers at the same time? A cute series girls will enjoy.
Ratings: 6th grade - 8 out of 10.