This casebook is a welcome addition to the teaching tools avail- able for teachers of torts. The senior editor has been in the fore- front of imaginative thinking in this field for a generation. His book on proximate cause and his essays on the duty problem in negligence did much to clarify an area of the law which had long been a quagmire of muddy thought. To be sure, Green did not invent the modern approach to negligence. Cardozo\u27s opinion in the Palsgraf case was a milestone. Indeed, Brett, J., in one of those intuitive flashes which occasionally characterized his judgments, had anticipated Palsgraf sixty years earlier in Smith v. London & S. W. Ry. But Dean Green\u27s contributions here were sound and filled with great insight. Nor s...