Railway to The Grave: bestselling Victorian mystery series: 7

Yorkshire 1855. When Colonel Aubrey Tarleton walks into the path of a speeding train, he is crushed to death. Inspector Robert Colbeck is immediately put on the case. Tarleton's wife had recently gone missing, but was the colonel responsible for her disappearance? It's up to Colbeck and his trusty sergeant Victor Leeming to uncover the truth. Tragedy strikes close to the Detective Department when an old friend of Superintendent Tallis walks to meet a speeding train head on. The suicide, prompted by the disappearance of the man's wife, has shocked the local community and leaves plenty for Inspector Robert Colbeck, the Railway Detective, to uncover. Whispers and rumours abound but did the dead man, Captain Randall, really take his own life in repentance for some harm he did his wife?