Sir Terence David John Pratchett OBE , better known as Terry Pratchett, was an English author of fantasy novels, especially comical works. He is best known for his Discworld series of 41 novels. Pratchett's first novel, The Carpet People, was published in 1971. The first Discworld novel, The Colour of Magic, was published in 1983, after which 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. His final Discworld novel, The Shepherd's Crown, was published in August 2015, five months after his death.
Tom Rath is an American consultant on employee engagement, strengths, and well-being, and author. He is best known for his studies on strengths based leadership and wellbeing and synthesizing research findings in a series of bestselling books. His books have sold more than 5 million copies and have been translated into sixteen languages.