when scholars again canvassed fresh alternatives. There is now a strong school of thought represented by J. Van Seters, R. Rendtorff, and E. Blum, among others, that holds that a supplementary hypothesis best explains Genesis. This is not to say that they each describe the growth of the book in exactly the same way, but they do agree that it grew by a series of editions, each of which expanded the previous one. R. N. Whybray, by contrast, has argued for a fragmentary hypothesis: he believes Genesis