"Elementary Geometry. A Teacher’s Guide" by A.P. Kiselev is much more than just a textbook—it's a valuable resource for educators eager to bring fresh ideas and innovative approaches into the teaching of geometry. This edition is an indispensable tool for middle school teachers and anyone interested in the methods of teaching mathematics and geometry. In this book, Kiselev offers a thorough analysis of elementary geometry, covering not only theoretical concepts but also practical exercises designed to develop students’ logical thinking and spatial perception. He shares his pedagogical insights and strategies to make lessons more engaging and effective. Using clear, accessible language, Kiselev explores geometric figures, their properties, and interrelations, making the material easy for even the youngest learners to grasp. This book will appeal not only to teachers but also to parents who want to support their children’s learning of geometry. It’s suitable for educators working with students of different skill levels, as Kiselev presents a variety of approaches to explaining complex topics—ensuring that every student can find their own way to understanding. If you're looking to make learning geometry more captivating or seeking effective ways to prepare students for exams, this book is a true treasure. The topics covered range from basic principles to more advanced concepts, emphasizing the importance of visualization and practical application of geometric knowledge in everyday life. Kiselev highlights how geometry permeates our world—from architecture to art—and how it can be used to solve real-world problems. Kiselev’s writing style is clear and approachable. He skillfully combines a scientific approach with practical examples, making his books easy to understand. As the author of numerous textbooks and methodological materials on mathematics, his expertise shines through every page of "Elementary Geometry." His works are highly recommended for both school and university education, underscoring their value and relevance. Whether you’re looking for resources on geometry, teaching methods, or simply want to deepen your understanding of the subject, "Elementary Geometry. A Teacher’s Guide" is an excellent choice. It will enrich your teaching toolkit and inspire new ideas for instruction. Readers interested in mathematics education, pedagogy, and learning psychology will find plenty of useful tips and fresh perspectives within its pages. Don’t miss the opportunity to make your lessons more engaging and productive with A.P. Kiselev’s "Elementary Geometry." This book will become your trusted companion in the world of geometry and help unlock the fascinating universe of mathematical knowledge for your students!