""Brotherhood 1937"" is a book written by Nicholas Roerich, a Russian artist and philosopher, and published in 1937. The book is a collection of essays and lectures that Roerich gave during his travels in Asia, Europe, and America. The main theme of the book is the idea of brotherhood, which Roerich believed was the key to achieving peace and unity among nations. The essays cover a wide range of topics, from the spiritual and philosophical aspects...