In the English-speaking world, Kate Collins' training book for children and adolescents is considered a standard work for combating irrational thoughts and feelings that repeatedly generate anger and frustration, preventing us from facing the many small and large problems of everyday life with courage. Jerry Wilde, a well-known child therapist, attests that the author helps her readers understand how they can manage their frustrating reactions to mistakes and failures simply by changing their perspectives and thinking. Her book on how to positively channel one's anger is an excellently constructed training manual for productively dealing with one's own anger, which will undoubtedly be a great help for children and adolescents. We should recommend it, read it, and enjoy it!.