This series for middle grade readers discusses helpful social-emotional skills. Each book begins with an explanation of the difference between a “fixed mindset” and a “growth mindset.” The main text describes how brains respond to certain situations and how minds can be trained to work smarter or use mnemonics to boost memory. Illustrations depict dark-skinned and light-skinned youngsters who are nervous about public speaking or practicing deep breathing to relax; there is also a cartoon brain character that appears throughout the text. A final section in each book recaps the main points, and a note for adults in the back matter details how to nurture a growth mindset in children. VERDICT Good to recommend to a struggling student or for use in guidance lessons.