Enola Holmes, much younger sister of detective Sherlock Holmes, must travel to London in disguise to unravel the disappearance of her missing mother.

The solutions to ten mysteries solved by Leroy "Encyclopedia" Brown are given in a separate section challenging the reader to match wits with the ten-year-old mastermind of Idaville's war on crime.

Everyone knows Dr. Watson is Sherlock Holme's right-hand man, so when he goes missing, it's a shock, even to Sherlock. Enola must use all her wits to outsmart a sinister villain and save Dr. Watson's life - all the while staying one step ahead of her famous brother, who's following hot on her trail.

In late nineteenth-century London, fourteen-year-old Enola Holmes, much younger sister of detective Sherlock Holmes, turns to Florence Nightingale for help when her investigation into the disappearance of a Crimean War widow grows cold. "Enola's landlady, Mrs. Tupper, is the closest thing Enola has to family these days. So imagine her horror when Enola comes home to find Mrs. Tupper kidnapped! Who would take her, and why? And what does Florence Nightingale...

When a weird blue chicken comes to Chicken Squad headquarters for help, siblings Dirt, Sugar, and Sweetie help find her missing house.

The ten-year-old detective continues his war on crime in Idaville through ten more cases, for which the reader is invited to guess the solution before it is revealed.

Buddy is in the school library and kids are taking turns reading with him. While Buddy listens to a ghost story, he hears rustling in the shelves behind him. He turns to look, but doesn't see anyone back there. He hears a book fall. Something smells strange. Not human...not canine, not like anything Buddy has ever smelled before. Could it maybe be the school ghost Buddy has heard so much about? When the child he's sitting with leaves, Buddy goes over...

The solutions to ten mysteries solved by Leroy "Encyclopedia" Brown are given in a separate section challenging the reader to match wits with the ten-year-old mastermind of Idaville's war on crime.

While attending obedience class with his new humans, Buddy the dog helps solve a mystery involving two Pomeranians that were switched at the dog park.

In the span of fifteen years, Dr. Thomas Neill Cream murdered as many as ten people in the United States, Britain, and Canada, a death toll with almost no precedent. Poison was his weapon of choice. Jobb exposes the blind trust given to medical practitioners, as well as the flawed detection methods, bungled investigations, corrupt officials, and stifling morality of Victorian society that allowed Dr. Cream to prey on vulnerable and desperate women,...