The main objective of reprinting "The Gazetteer of Sikhim" is to familiarise the people of the world with the ancient History of the tiny mountain `Kingdom` of Sikhim during the British period. Mr. H H Risley in the introduction has ventured to trace the development of the Ancient History of the country. In addition to this, he has also provided a valuable and interesting information about the geographical position of the country along with the History of its rulers. The book contains a comprehensive and enlightening account of the Laws of the country, its marriage customs, its geology and mineral resources, its agriculture. Each of the topic is dealt at length by a renowned scholar in his field. The last chapter of the Gazetteer is devoted to the study of state religion dubbed as Lamaism or Tibetan Buddhism. The Author, Mr. L A Waddell, has dealt with this topic in a masterly manner. Undoubtedly, the compilation will generate genuine interest among the people and arouse their curiosity to make further researches.