Animal cloning has developed quickly since the birth of Dolly the sheep. Yet many of the first questions to be raised still need to be answered. What do Dolly a

Principles of Cloning, Second Edition is the fully revised edition of the authoritative book on the science of cloning. The book presents the basic biological m

John Harris presents an informed defence of human cloning, carefully exposing the rhetorical and highly dubious arguments against it. He shows that far from end

Gregory Pence offers a candid look at the arguments for and against human cloning.

Long before scientists at the Roslin Institute in Scotland cloned Dolly the sheep in 1996, American embryologist and aspiring cancer researcher Robert Briggs su