1999 PRATCHETT, T, STEWART, I AND COHEN, J The Science of Discworld. London: Ebury Press. The wizards of Unseen University create our Universe – accidentally – and take responsibility for the evolution of Roundworld (Earth).

 

2000 PRATCHETT, T, STEWART, I AND COHEN, J The Science of Discworld 2: The Globe. London: Ebury Press, Random House. Roundworld (Earth) is infected by elves and the wizards must ensure that Shakespeare is there to sort out the problems – having taught people to decorate caves...

 

2005 PRATCHETT, T, STEWART, I AND COHEN, J The Science of Discworld 3: Darwin’s Watch. London: Ebury Press, Random House. In the Roundworld Victorian Age a country curate called Charles Darwin wrote a very successful book called Theology of Species... and the wizards have to make sure that he takes the Beagle, and writes The Origin of Species instead.

 

 

 

 
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