Flamboyant Matthew Cannonbridge was touched by genius, the most influential mind of the 19th century, a novelist, playwright, the poet of his generation. The only problem is, he should never have existed, and recently divorced 21st century don Toby Judd is the only person to realise something is wrong with history. Cannonbridge was everywhere: he was by Lake Geneva when talk between Byron, Shelley and Mary Godwin turned to the supernatural;...