"In the Sky: Air Travel" is an exciting book by the famous writer R. M. Ballantyne, which tells about exciting travel in hot air balloons. In this book, the author describes in detail the adventures and experiences that accompany each journey to heaven. In addition, he tells about the history of the development of aviation, interesting facts about balloons and about the sensations they can cause in a person. This book will be interesting not only to lovers of adventure literature, but also to everyone who dreams of seeing the world from a bird's eye view.