About Terry Pratchett:
Sir Terence David John is best known for his Discworld series of about 40 volumes. Pratchett's first novel, The Carpet People, was published in 1971, and since his first Discworld novel, The Colour of Magic, was published in 1983, he wrote two books a year on average. His 2011 Discworld novel Snuff was at the time of its release the third-fastest-selling hardback adult-readership novel since records began in the UK, selling 55,000 copies in the first three days.
The intelligence of the creature known as a crowd, is the square root of the number of people in it.
Terry Pratchett