Description: Chapter 1. Disturbance as a driving force.- Chapter 2. A fictional dialogue on infinitude of primes.- Chapter 3. Encounters with Euclidean propositions.- Chapter 4. Stories on problem-solving instruction.- Chapter 5. Encounters with Cardano's method.- Chapter 6. Synthesizing exception-barring and what-if-not: If not, what yes?.- Chapter 7. From "obviously wrong" methods to surprisingly correct answers.
Review Quotes: "A prominent feature of this book is stories of disturbance and resulting learning opportunities. ... the ideas presented in this book are not for beginning mathematics teachers, but are definitely worth considering by experienced mathematics teachers wanting to give their students an opportunity to experience ... real mathematical discovery." (Annie Selden, MAA Reviews, April 10, 2022)