"Throughout the text, key topics include self-based inquiry methodologies, teacher educators versus "didacticians," collaboration amongprospective and practicing teachers, teaching mathematics to prospective teachers, knowledge needed by teacher educators, and an "urgent call"for additional research. Author teams are composed of mathematics educators from around the world, ensuring the text’s international perspective. Summing Up: Recommended." - J. Johnson, in: CHOICE, 58 (7), 2021