In 1912, German meteorologist Alfred Wegener published his groundbreaking theory of continental displacement. His theory proposed that the continents were once a single land mass but had slowly moved apart over millions of years. This book examines the scientific process behind Wegener's theory and how it challenged prevailing views of the time.

What is the theory of plate tectonics? -- A flat Earth? -- In the beginning -- From the crust to the core -- On the move -- Making mountains -- Explosive Earth -- The cutting edge.