""Explorers: Columbus, Lewis and Clarke, Zebulon Pike, Charles Wilkes, Clarence King and John W. Powell"" is a book written by George Iles. The book is a collection of biographical sketches of some of the most famous explorers in history. The book begins with Christopher Columbus, the explorer who is credited with discovering the New World. The book then moves on to the explorations of Lewis and Clarke, who traveled across the American West in search...