2008 - The God Machine From Boomerangs to Black Hawks the Story of the Helicopter (Paperback) → Hardcover ISBN-13: 9780553383522 ISBN-10: 0553383523 Genres: History, Science & Math, Engineering & Transportation ? 2007 - The God Machine From Boomerangs to Black Hawks the Story of the Helicopter (Hardcover) → Paperback ISBN-13: 9780553804478 ISBN-10: 0553804472 Genres: History, Science & Math, Engineering & Transportation ? 2002 - Inviting Disaster Lessons From the Edge of Technology (Paperback) → Hardcover ISBN-13: 9780066620824 ISBN-10: 0066620821 Genres: Business & Money, Science & Math 3 2001 - Inviting Disaster Lessons From the Edge of Technology (Hardcover) → Paperback ISBN-13: 9780066620817 ISBN-10: 0066620813 Genres: Health, Fitness & Dieting, Science & Math ? |