The first thorough, authoritative account of the new philosophy of normal cellular reproduction and how it emerged. Written by two leading participants in the recent revolution surrounding our comprehension of how cells grow and divide, this is a vivid portrayal of the development of the new vision of cell biology. It describes important breakthroughs in their historical and experimental context and demonstrates its relevance to other areas of modern biology. The ideal introduction to the current understanding of cell growth and division for advanced undergraduate and graduate cell biology courses.