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Incoming Resources
- Judgement day, the science of Discworld IV, Terry Pratchett, Ian Stewart and Jack Cohen
- Darwin's watch, the science of Discworld III : a novel, Terry Pratchett, Ian Stewart, and Jack Cohen
- The science of Discworld, Terry Pratchett, Ian Stewart, and Jack Cohen
- Heaven, Ian Stewart and Jack Cohen
- The globe, the science of Discworld II, by Terry Pratchett, Ian Stewart, and Jack Cohen