This book shows how to acquire inventive thinking skills. It contains many examples and solved problems, as well as assignments for independent work. An analysis of most of the tasks is given in the appendix. This book describes all components of creative thinking, mainly system thinking, evolutionary thinking, thinking through contradictions, thinking with the use of resources, thinking with the use of models and development of creative thinking. Particular attention is given to improvement of skills of Inventive thinking. This book is intended for a broad circle of readers, suitable for all those who want to quickly get new ideas and have a developed inventive thinking.