https://www.abebooks.com/9781580070522/Boeing-B-17-Flying-Fortress-Warbird-Tech-1580070523/plp
Boeing B-17-Flying Fortress - Warbird Tech Vol. 7 - Johnsen, Frederick A.: 9781580070522 - AbeBooks
Its full potential still not explored, the model 299 crashed at Wright Field on 30 October 1935 on takeoff, with the control locks inadvertently engaged. Much...