1905. 12-year-old Helena's father is appointed clock-winder to the Marquis of Norfolk's enormous collection of clocks. It's a risky job - if the clocks stop, Helena's father will lose everything. But when Helena starts helping out, she discovers the Marquis is hiding many secrets, and finds herself in a race against time to discover the truth... A beautiful historical mystery filled with discovery, emotion and STEM-friendly female characters, from the critically-acclaimed author of The Garden of Lost Secrets.
