Helping Students Become Powerful Mathematical Thinkers. Case Studies of Teaching for Robust Understanding“ Helping Students Become Powerful Mathematical Thinkers. Case Studies of Teaching for Robust Understanding ” by Alan Schoenfeld, Heather Fink, and Sandra Zuñiga-Ruiz, with Siqi Huang, Xinyu Wei, and Brantina Chirinda, New York/London, Routledge, 2023, 255 pp., ISBN: 978-1-03-244168-9“ Mathematics Teaching on Target. A Guide to Teaching for Robust Understanding at All Grade Levels ” By Alan Schoenfeld, Heather Fink, Alyssa Sayavedra, Anna Weltman, and Sandra Zuñiga-Ruiz, New York/London, Routledge, 2023, 151 pp., ISBN: 978-1-03-244167-2