The book "Indian Border Policy: A Historical Essay" by the famous British author Sir John Adye is an important source of knowledge about the history of colonial India. This book explores the complex relationship between the British and the local tribes on the frontier of the Indian Empire. Written political strategies, military operations, diplomatic negotiations, and cultural exchanges that took place on the border reflect the centuries-old relationships between different nationalities and traditions. The book expands our understanding of the events and processes that took place on the border of India and played an important role in shaping the modern political map of the world. Adye's work belongs to the classics of the study of the colonial period and is recommended as a must-read for those interested in the history of India and its relations with the West.