The "Signals and Boundaries: Building Blocks for Complex Adaptive Systems" textbook by John H. Holland, published by MIT Press in 2014, explores the subject areas of computers, technology, engineering, and science. This trade paperback book, with 316 pages, delves into the topics of engineering (general), neural networks, artificial intelligence, and semantics, as well as life sciences and biology. Written in English, this textbook offers insights into complex adaptive systems and is a valuable resource for adult learners and university students studying in these subject areas.