Writers who wrote books under pseudonyms - in pictures
'Harry Potter' author JK Rowling writes detective novels and mysteries under the pseudonym Robert Galbraith. Photo: Getty, Sphere Publishing
US horror author Stephen King was so prolific during his early years of writing that he published additional novels under the pen name Richard Bachman. Photo: EPA, Hodder & Stoughton
Suspense author Dean Koontz, one of the best-selling writers of all time, has penned books under no fewer than 10 different aliases, including Brian Coffey. Photo: AFP, Bobbs-Merrill
English detective novelist Agatha Christie wrote six books under the nom de plume Mary Westmacott, which were as critically acclaimed as her own-name works. Photo: Getty, HarperCollins
'Jurassic Park' author Michael Crichton has written under different aliases, including Michael Douglas. Photo: EPA, Knopf
Sophie Kinsella is the pen name of romantic fiction novelist Madeleine Wickham, author of 'Confessions of a Shopaholic'. Photo: Getty, Macmillan
Irish-born writer CS Lewis, author of 'The Chronicles of Narnia' published poetry under the name Clive Hamilton, and also used the pseudonym NW Clerk. Photo: Getty, Faber
Celebrated 'I, Robot' author Isaac Asimov wrote a series of children's sci-fi novels as his alter-ego Paul French. Photo: Getty, Doubleday