This is the second edition a textbook on inventive thinking, which is also called creative, strong or talented thinking.It is significantly expanded and in-depth, which makes it pos-sible not only to deepen knowledge on this topic, but also to ac-quire inventive thinking skills.The book contains many examples and problems, as well as assignments for independent work. An analysis of most of the tasks is given in the appendix.Inventive thinking consists of the following components: sys-tem thinking, evolutionary thinking, thinking through contradic-tions, thinking with the use of resources, thinking with the use of models and development of creative thinking. This book describes all components of this thinking. The main attention is given to improvement of skills of Inventive thinking. The book is intended for a broad circle of readers from chil-dren to grown-ups of various specialties (businessmen, politicians, managers, designers, TRIZ trainers, etc.). It will be useful for all those, who wants to quickly get new ideas and have a developed inventive thinking.