Enola Holmes Mystery Series 6 Books Collection Set by Nancy Springer

The Case of the Missing Marquess:
When Enola Holmes, sister to the detective Sherlock Holmes, discovers her mother has disappeared, she quickly embarks on a journey to London in search of her. But nothing can prepare her for what awaits.

The Case of the Left-Handed Lady:
Enola Holmes is hiding from the world’s most famous detective—her own brother, Sherlock Holmes. But when she discovers a hidden cache of bold, brilliant charcoal drawings, she can’t help but venture out to find who drew them: young Lady Cecily, who has disappeared from her bedroom without a trace.

The Case of the Bizarre Bouquets:
Everyone knows Dr. Watson is Sherlock Holmes's right-hand man, so when he goes missing, it's a shock. Even Sherlock hasn't the slightest clue as to where he could be.

The Case of the Peculiar Pink Fan:
Enola Holmes--younger sister to Sherlock Holmes--is back on another case! Enola is thrown into a tailspin when she receives a desperate message from her old friend, Lady Cecily.

The Case of the Cryptic Crinoline:
Enola Holmes's landlady, Mrs. Tupper, is the closest thing Enola has to family these days, besides her occasional run-ins with her brother Sherlock. Even though Mrs. Tupper is nearly deaf and can barely cook, she's an endearing presence as Enola longs for her absent mother.

The Case of the Disappearing Duchess:
Enola Holmes - sister of the world's most famous detective, Sherlock Holmes - always has an eye for mystery-solving. Still on the run from her brothers, Enola continues her investigative work in the busy streets of London, disguised under a new alias, and is now searching for the missing Lady Blanchefleur del Campo.