Introduction to Grey Systems Theory.- Basic Building Blocks.- Grey Incidence and Evaluations.- Grey Systems Modeling.- Discrete Grey Prediction Models.- Combined Grey Models.- Grey Models for Decision Making.- Grey Game Models.- Grey Control Systems.- Introduction to the Software of Grey Systems Modeling.- Appendix A: Interval Analysis and Grey Systems Theory.- Appendix B: Approaches of Uncertainty.- Appendix C: How Uncertainties Appear: A General Systems Approach.