This book is a collection of Ross Ashby's writings. the chapters are The laws of mechanism; Information flows in systems; Informational limits; Regulation and control; and their relation to information; the Analysis of Constraints; Brains, Intelligence, Creatively, and Genius; Other Topics and Overviews; Unpublished Classroom Handouts. Published by Intersystems Publications in the System Inquiry Series. Copyright 1981 1127197703