Includes bibliographical references and index.

What did gravity ever do for you? -- It started with a bang! -- How fast will you fall? -- What did the apple do to Newton? -- Why is gravity like a hole? -- Putting gravity to work -- What goes up but doesn't come down? -- Your body loves gravity -- Too much of a good thing? -- Life without gravity -- Fighting back -- So, could you live without gravity?

Explains the principles of gravity, discussing the effect that gravity has on the Earth and on the human body and the consequences when gravity is either increased or decreased.