A murder timed to perfection. A mind built to find the flaw.When structural engineer Tony Greycourt boards the 19:40 train from London Paddington, he expects symmetry, silence, and a mocha.Instead, he finds murder - and a design built to collapse.What begins as a simple journey to Bath becomes a deadly puzzle of letters, lies, and impossible timing. With Inspector Drayton by his side and suspicion spreading through every carriage, Tony must rely on his meticulous eye for detail to uncover the truth hidden between the cracks.But the deeper he looks, the more the design points back to him - and to a secret built years before the first death.Atmospheric, elegant, and filled with slow-burning tension, Murder on the 19:40 brings the charm of Golden Age crime to a new generation of readers.Fans of Agatha Christie, Anthony Horowitz, and Louise Penny will delight in this intelligent mystery where nothing - and no one - is quite as it seems.Every bridge tells a story. Some end in murder.