From the Sunday Times bestselling author of Room and The Pull of the Stars, Emma Donoghue takes readers on a thrilling ride through a simmering turn-of-the-century Paris on the edge of a dazzling future.

A woman determined to make her mark. A journey that will change everything.

Paris, 1895. One morning, a young woman boards the Granville Express with a deadly plan.

On the journey lives intertwine in explosive ways. There are the railway crew who have everything to lose, a little boy travelling alone for the first time, an elderly statesman with his fragile wife and a lonely artist far from home.

The train speeds towards the City of Light and into a future that will change everything...