This book is about a little, cute, curious girl whose first word was “Why?”, who asked lots of questions, sometimes made her parents tired of her questions, liked testing and researching. This book is a great way to encourage girls in STEM fields (STEM stands for science, technology, engineering, and math) because most of the STEM book’s protagonist is a boy. That makes children think that girls cannot be a scientist. This book revolts against those stereotyped ideas. If you are searching for other STEM books all of this series books are great. You can check “Rosie Revere, Engineer” Illustrations of the book are absolutely amazing. They are very creative, interesting, and fun. Also, the book rhymes and that make the book even funnier. The best thing about this book is the main character Ada Marie who represents two persistent women whose curiosity and passion led them to make great discoveries. They are Marie Curie and Ada Lovelace. Marie Curie discovered the elements polonium and radium, also her work led to the invention of X-rays. She was the first women to win a Nobel Prize, the first person and only woman to win twice, and the only person to win a Nobel Prize in two different sciences. Ada Lovelace was a mathematician and the very first computer programmer. As Marie Curie said; “We must have perseverance and above all confidence in ourselves. We must believe that we are gifted for something and that this thing must be attained.” Girls must believe in themselves.