Today we are developing a science that could change the world - for good or ill - more quickly and more profoundly than ever before. The science of genetics promises - or threatens - nothing less than the creation of life.

Colin Tudge leads the reader gently through the deepest intricacies of genetics. He traces its history. He explores its awesome power and its current applications. And he speculates on its thrilling - or terrifying - future. He has written an essential book for anyone interested in the future of the human race.