From the bestselling author of The Garden of Lost Secrets comes a thrilling new mystery filled with ticking secrets and gripping adventure, set against an Edwardian backdrop of invention and change.

JUNE, 1905.

Helena and her parrot, Orbit, are swept off to Cambridge when her father is appointed clock-winder to one of the wealthiest men in England. There is only one rule: the clocks must never stop.

Soon Helena discovers the house of one hundred clocks holds many mysteries; a ghostly figure, strange notes and stolen winding keys... Can she work out the house's secrets before time runs out?

"Howell is a hypnotically readable writer, who keeps the pulse racing, while allowing every character slowly to unravel." The Telegraph

"Fans of Emma Carroll will adore this historical tale of derring-do and righted wrongs." The Times on The Garden of Lost Secrets

"Fans of Emma Carroll will adore this historical tale of derring-do and righted wrongs." - The Times

"Howell is a hypnotically readable writer, who keeps the pulse racing, while allowing every character slowly to unravel." - The Telegraph

"Utterly gripping, this wonderfully atmospheric mystery completely swept me away." - Andy Shepherd, author of The Boy who Grew Dragons

"Howell's novel is children's fiction writing at its most imaginative and compelling best." - Lancashire Evening Post

"An atmospheric and intriguing tale laced with science and social change against an Edwardian backdrop." - South Wales Evening Post