The book "On Certain Number Systems Resulting from Lorentz Transformations" by V.F. Kagan is an engaging and profound exploration that immerses readers in the realms of mathematics and physics, unveiling the mysteries behind Lorentz transformations. This work will be a true revelation for those interested not only in theoretical physics but also in the mathematical foundations that underpin it. At first glance, the title may seem complex and even intimidating; however, Kagan skillfully guides readers through the labyrinth of numbers and formulas, making intricate concepts accessible and comprehensible. He begins with the basics, explaining what Lorentz transformations are and how they relate to the theory of relativity. Yet rather than merely presenting facts, he offers a unique perspective on how these transformations impact various number systems, opening new horizons in mathematics. This book will particularly appeal to students and graduate researchers studying physics and mathematics, as well as educators seeking innovative ways to explain complex topics. Science enthusiasts eager to understand how mathematical concepts apply in the real world will also find it immensely valuable. Kagan not only shares his knowledge but also inspires readers to pursue further exploration, making his work a treasured resource for anyone looking to deepen their understanding in this field. The themes addressed in the book span a wide range of issues, from the fundamentals of the theory of relativity to intricate mathematical models. Kagan discusses how Lorentz transformations influence our perception of time and space, as well as various coordinate systems. He investigates how these transformations can be applied across different scientific domains, from astronomy to quantum mechanics. Readers will witness the intertwining of mathematics and physics, yielding astonishing and sometimes paradoxical results. Kagan's style is characterized by clarity and logical progression, allowing readers to easily follow his reasoning. He employs numerous examples and illustrations to make the material more vivid and understandable. This approach not only aids in information retention but also fosters critical thinking, encouraging readers to ask questions and seek answers independently. V.F. Kagan is no stranger to the world of science. His previous works have also focused on mathematics and physics, each leaving a significant mark on the scientific community. Readers familiar with his other writings will appreciate this latest endeavor, which undoubtedly continues the tradition of deep and thoughtful research. If you are looking for a book that will not only expand your knowledge but also provoke contemplation on profound questions related to the nature of time and space, "On Certain Number Systems Resulting from Lorentz Transformations" is an excellent choice. This work will enrich your intellectual repertoire and ignite your curiosity for further study in mathematics and physics. In conclusion, this piece is not merely a scientific treatise; it is a genuine intellectual adventure in which every reader can discover something personal. Don’t miss the opportunity to delve into the world of numbers and transformations that Kagan V.F. unveils — and perhaps you will uncover new horizons in your understanding of the universe.