A collection of essays and other non fiction from Terry Pratchett, spanning the whole of his writing career from his early years to the present day. Terry Pratchett has earned a place in the hearts of readers the world over with his bestselling Discworld series -- but in recent years he has become equally well-known and respected as an outspoken campaigner for causes including Alzheimer's research and animal rights. A Slip of the Keyboard brings together...