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Hardcover published 1957 by Collins. The jacket is whole and protected in cellophane, but has a tear along the top of the spine. The boards are clean and square. The pages are clean and crisp, but have the name stamp of a previous owner on the inside front board, bottom of the title page, and along the bottom outsid edge of the pages. "This is the author's account of the development of air power and air communications during the first of his three terms of office as Secretary of State for Air between 1922 and 1929."
