Looks at how the world could be rebuilt from scratch, in the case of a catastrophic event such as a viral pandemic, an asteroid strike or a nuclear war. How would humanity grow food, generate power, prepare medicines, or get metal out of rocks? Brings the fundamentals of science back to a modern world in which we've become disconnected from the basic processes that support our lives.

Lewis Dartnell is an astrobiology researcher and professor at the University of Westminster, and also an Honorary Research Associate at University College London (UCL). He is the author of the bestselling books The Knowledge: How to Rebuild Our World from Scratch and Origins: How the Earth Shaped Human History, which has been translated into 26 languages. He writes for the Guardian, The Times and New Scientist. Copies of The Knowledge exist on the surface of the Moon, and in the Svalbard Global Seed Vault.