This guide is an introduction to complex systems thinking and its applications. Whether you are an expert or a novice, we hope that this resource will provide new insights into questions that you are trying to address in your work or daily life.

Complex systems concepts provide a new unity of approach to many different problems. These concepts originate from efforts to understand physical, biological and social systems. Examples of applications can be found in all fields and professions including science, medicine, engineering, management and education.

To use this guide you can follow the concept map to explore some of the concepts that have been developed. You can also read some of the examples that illustrate the power of these concepts.

It should be recognized that complex systems is an active field and the most exciting discoveries are yet to be made. You are welcome to join in the spirit of open inquiry.

As this resource is developed, various parts of it will be more suited for specific fields and professional backgrounds. In the meantime look at examples and ideas that are not specifically in your area, and consider how they might apply.

Comments and feedback should be sent to web@necsi.org.