My new Gyrojet book, “An Introduction to MBA Gyrojets and Other Ordnance,” is now available for sale. It has 422 pages, 286 with color. There are 466 color illustrations and 279 B&W. Foreword by William H. Woodin. $49.95, plus shipping. Please visit my web site gyrojet.net for details and to see the Table of Contents and a sample chapter.