When Charles Darwin writes the wrong book and reverses the progress of science, Unseen University’s wizards must once again save Roundworld (Earth, that is) f

Roundworld is in trouble again, and this time it looks fatal. Having created it in the first place, the wizards of Unseen University feel vaguely responsible fo

The wizards of Unseen University are again called upon to defend their creation, Roundworld, this time in a courtroom—where its very existence hangs in the ba

Not just another science book and not just another Discworld novella, The Science of Discworld is a creative, mind-bending mash-up of fiction and fact, that off

Acclaimed The Science of Discworld centred around an original Pratchett story about the wizards of Discworld. In it they accidentally witnessed the creation and