Geometry in the Open Air, Paperback/Yakov Perelman

This book intends to arouse the reader's interest in geometry especially teens who see it as a cold abstract area of mathematics. Through simple problems, illustrative examples, and interesting stories, the author uses geometric notions to address situations one may face in the open air. This includes measuring the height of a tree without having to climb it, evaluating the width of a river, estimating the distance of remote objects, etc. The book makes any outdoor tour an entertaining learning experience without the need for any calculations or tables. About the Author: Yakov Perelman (1882-1942) was a Russian and Soviet science writer and author of many popular science books. He has been known by his popular, witty and quite scientific works on physics, astronomy and mathematics, which are, moreover written in a marvelous language and are very readable.