Author(s): Terry Pratchett
Anything you do in the past changes the future. The tiniest little actions have huge consequences. You might tread on an ant now and it might entirely prevent someone from being born in the future.'There's nothing like the issue of evolution to get under the skin of academics. Especially when those same academics are by chance or bad judgement deposited at a critical evolutionary turning point when one wrong move could have catastrophic results for the future. Unfortunately in the hands of such an inept and cussed group of individuals, the sensitive issue of causality is sadly only likely to receive the same scant respect that they show to one another...
The twenty-second Discworld novel.
Terry Pratchett is the acclaimed creator of the global bestselling Discworld series, the first of which, The Colour of Magic, was published in 1983. In all, he is the author of over fifty bestselling books. His novels have been widely adapted for stage and screen, and he is the winner of multiple prizes, including the Carnegie Medal, as well as being awarded a knighthood for services to literature. Worldwide sales of his books now stand at over 75 million, and they have been translated into thirty-seven languages.