Banner in the Sky is a book written by James Ramsey Ullman published by the J. B. Lippincott Company in 1954. The story is based on the first ascent of the Matterhorn and follows the young boy Rudi Matt who is determined to climb the citadel. The book was a runner-up for a Newbery Award in 1955 and was later adapted into the Disney film Third Man on the Mountain.[1]