The book *Pre-Analytical Stage in Hemostasiology*, authored by a team comprising A.A. Kozlov, A.L. Berkovsky, E.V. Sergeev, and A.V. Suvorov, is a groundbreaking work that immerses readers in the complex and multifaceted world of hemostasiology—the science of blood clotting. This publication is an essential resource for physicians, laboratory technicians, medical students, and anyone interested in the diagnostics and treatment of blood coagulation disorders. Focusing on a crucial yet often overlooked phase of medical testing—the pre-analytical stage—this book highlights how the foundation for accurate and reliable results is laid long before the actual analysis begins. The authors emphasize that meticulous attention to details such as proper patient preparation, blood collection techniques, and sample transportation conditions can significantly influence test outcomes. This makes the book especially relevant for laboratory professionals and clinicians where diagnostic precision is vital. Who will find this book valuable? Primarily, hematologists, general practitioners, and diagnostic laboratory specialists will benefit greatly. Medical students will also discover a wealth of useful information to deepen their understanding of the intricate processes occurring within the human body. Additionally, researchers and educators working in hemostasiology and related fields will find this work insightful. The topics covered span a broad spectrum, including the physiological foundations of hemostasis, the impact of various factors on test results, and modern approaches to standardization and quality control in laboratory practice. The authors share their expertise and offer practical recommendations grounded in the latest scientific research and clinical experience. This makes the book not only a theoretical guide but also a practical manual for everyday use. Written in a clear and accessible style, the authors make complex scientific concepts easy to grasp. Each chapter is supplemented with illustrations and tables, enhancing comprehension. Real-world examples further make the reading engaging and practical. *Pre-Analytical Stage in Hemostasiology* serves as a vital bridge between theory and practice, making it especially valuable for professionals in the field. If you're seeking literature on hemostasiology that can deepen your knowledge and improve your laboratory diagnostic skills, this book will be a reliable companion. It will broaden your perspective and help you avoid common pitfalls associated with the pre-analytical phase. The publication is also of interest to those following modern trends in medicine and eager to stay updated on the latest advances in hemostasiology. In conclusion, *Pre-Analytical Stage in Hemostasiology* is more than just a book—it's a comprehensive world of knowledge that opens new horizons in understanding the processes occurring within the body. It inspires further study and practical application of the acquired insights, making it an indispensable resource for anyone committed to professional growth in medicine.