Defense Technological Innovation. By BharatRao, Adam J.Harrison, and BalaMulloth, Edward Elgar: Cheltenham, 2020, ISBN 978‐1789902099, pp. 200, eBook version available from £20/$26 at Google Play, ebooks.com and other eBook vendors, hardcover book can be ordered from the Edward Elgar Publishing website. (5th January 2021) - Chesbrough, Henry