Junior sleuth Maisie Hitchins, who lives in her grandmother's boarding house in Victorian London, uncovers an intriguing plot involving stolen sausages, pilfered halfpennies, and a fast-paced bicycle chase.

After losing his mother while solving a brutal murder, young Sherlock Holmes commits himself to fighting crime. While visiting his father at work, Sherlock watches a dangerous trapeze performance. When the troupe's star drops to his death, Sherlock notices something is amiss and realizes it was foul play.

FBI agent Chevie Savano escapes into the past to elude the secret police after they kill Charles Smart just as he is telling her of the WARP program, and she and Riley team up to find Colonel Clayton Box before he can launch missles at the capitals of Europe.

Publisher Annotation: The youngest of four daughters, Primrose Ainsworth is used to getting lost in the shuffle. But when her parents decide to delay her debut into English society, Prim hatches a plan to go rogue on the night of her sixteenth birthday. Donning a mask, Prim escapes to the infamous Vauxhall Gardens for one wild night. When her cover is nearly blown, a mysterious stranger intercedes, and Prim finds an unexpected partner in mischief...

When seventeen-year-old orphaned shapechanger Tessa Gray is kidnapped by the villainous Mortmain in his final bid for power, the London Institute rallies to save her, but is beset by danger and betrayal at every turn.

After the Newington Emerald is stolen at the height of a conjured storm, eighteen-year-old Lady Truthful Newington goes to London, disguised as a man, to search for the magical heirloom of her house, and is soon caught up in a dangerous adventure where she must risk her life, her reputation, and her heart.

In nineteenth-century London Lizzie Brown wants nothing more than to escape from the slums and her drunk, abusive father, so finding work and friends in a passing circus seems like a dream come true--but when she starts to have visions she finds herself confronting the mysterious phantom of London.

Thirteen-year-old Jessamine Grace and her mother make a living as sham spiritualists-until they discover that Jess is a mesmerist and that she really can talk to the dead. Soon she is plunged into the dark world of Victorian London's supernatural underbelly and learns that the city is under attack by ghouls, monsters, and spirit summoners. Can Jess fight these powerful forces? And will the group of strange children with mysterious powers she befriends...

Chasing the killers who murdered Nikola Tesla and stole his super weapons blueprints, teenagers Sebastian Tweed and Olivia Nightingale, who live in an alternate 1890s London, go undercover on a luxury airship bound for Egypt.

When Clara vanishes after the puppeteer Grisini and two orphaned assistants were at her twelfth birthday party, suspicion of kidnapping chases the trio away from London and soon the two orphans are caught in a trap set by Grisini's ancient rival, a witch with a deadly inheritance to shed before it is too late.