The first Ukrainian edition of a book by famous American consultants, which sets out the original concept of personal self-improvement, modification of one’s own behavior and interaction with other people - Teutsch’s IDEAL method. The authors’ goal is to help people realize and change unsuccessful, ineffective behavior patterns, give them the means of psychological analysis and self-regulation, and teach them how to make their own lives and the lives of their loved ones happy. In the USA, this book has long been a bestseller, and its authors are called “success instructors.” The book is accessible and interesting to everyone who strives for well-being, success and prosperity and is looking for ways to achieve this.