Author: Terry Pratchett
Title: The Science Of Discworld IV Judgement Day (With Ian Stewart and Jack Cohen)
Description: Ebury Press 2013 First Edition First Printing. Slightly bumped at top of spine, spine a nlittle creased and leant and page edges lightly age-darkened else Fine book in lightly creased Dust Jacket. . ¶ ''The Omnians want control of Roundworld - its very existence makes a mockery of theit religion. The wizards of Unseen University, however, are extremely reluctant to part with it. After all, they created it! Enter Roundworls librarian, Marjorie Daw... ''"

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