This insightful compilation is focused on 'intelligence' and covers a wide range of topics that illustrate a cybernetic approach to what is a fascinating study. The articles included are extended and revised versions of some papers presented at the IEEE Systems, Man and Cybernetics (UK Chapter) Workshop at the end of 2003. The broad range of topics covered include: Computational intelligence and its paradigms, Self-organizing systems, Adaptive systems, Learning mechanisms in control systems, Intelligent decision making systems, Second order cybernetics, and Hybrid intelligent systems. The compilation also explores current challenges and future paradigms in this exciting field.