Will Marilyn Monroe’s DNA reveal the identity of her father? The screen siren’s biographer asks why are we still so fascinated by Norma Jeane

What was the real relationship between Highsmith and her greatest creation, Tom Ripley? 

Agatha Christie was raised in genteel luxury and had a vicious and cunning imagination that helped her become the most successful writer the world has ever seen – but only after a mysterious episode of her own. By Andrew Wilson