Crilley, Paul

Twelve-year-old Emily Snow, who sells watercress on the streets of London to support herself and younger brother, takes the fate of humanity into her hands when she unknowingly involves herself in a war between two factions of piskies--small, sarcastic fey creatures fighting for control over England--by rescuing one.

Emily and William Snow get trapped in 1666 London with friends Spring-Heeled Jack and Corrigan, but when they seek out Sir Christopher Wren, the head of the Invisible Order and their hope to get home, they discover Wren has no knowledge of the order and has no desire to help them, the four friends will need to come to an agreement on their next course, before their enemies catch up and the Fire King burns London to ash.

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.

In an alternate 1895 London, seventeen-year-old Sebastian Tweed searches for his kidnapped father, uncovering both a horrific technological secret and a political conspiracy that could destroy the British Empire.

Twelve-year-old Emily Snow, who sells watercress on the streets of London to support herself and younger brother, takes the fate of humanity into her hands when she unknowingly involves herself in a war between two factions of piskies--small, sarcastic fey creatures fighting for control over England--by rescuing one.