Follows a fourteen-year-old American girl whose life unexpectedly transforms when she moves to London in 1952 and gets swept up in a race to save the world from nuclear war.

In her alternate England of 1851, while taking her friend Sidheag by train to her werewolf pack in Scotland, fifteen-year-old Sophronia uncovers a plot that threatens to dissolve all of London into chaos and must decide where her loyalties lie once and for all.

Sixteen-year-old Gwyneth discovers that she, rather than her well-prepared cousin, carries a time-travel gene, and soon she is journeying with Gideon, who shares the gift, through historical London trying to discover whom they can trust.

Still yearning to be reunited with her beloved Jaimy, Jacky Faber continues to collect intelligence for the Crown as she leads guerrilla attacks against Napoleon's forces, poses for the artist Francisco Goya, is kidnapped by the Spanish Inquisition, and travels with a gypsy caravan.

In 1868, with his army officer father suddenly posted to India, and his mother mysteriously "unwell," fourteen-year-old Sherlock Holmes is sent to stay with his eccentric uncle and aunt in their vast house in Hampshire, where he uncovers his first murder and a diabolical villain.

Rescued from the gallows in 1850s London, young orphan (and thief) Mary Quinn is surprised to be offered a singular education, instruction in fine manners - and an unusual vocation. Miss Scrimshaw's Academy for Girls is a cover for an all-female investigative unit called The Agency, and at seventeen, Mary is about to put her training to the test. Assuming the guise of a lady's companion, she must infiltrate a rich merchant's home in hopes of tracing...

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 1868, teen aged Sherlock Holmes discovers that his American tutor is hunting a notorious killer who was supposedly killed by the United States government, but who is apparently alive and well in Surrey, England.

In 1352 England, seventeen-year-old Annabel, granddaughter of a knight and a would-be nun, eludes a lecherous bailiff but falls in love with Lord Le Wyse, the ferocious and disfigured man to whom her family owes three years of indentured servitude, in this tale loosely based on Beauty and the Beast.

In 1757 England, clever but unschooled Thomas Rose helps the spirited Ling seek Belladonna, the horse she rode in the circus, and in their quest they meet painter George Stubbs who euthanizes animals to study their anatomy, but he assures them her horse is safe at a nearby estate.