During WW2, the RAF, RAAF and the RCAF used numerous American built fighters. Some were used with success, but other not and this, for various reasons. This book is listing the types which were either rejected, either used in small numbers and the reasons why. This book gives the details of the career of the Airacobra in the RAF and the RAAF, the Airacomet, the Kingcobra, the Grumman Goblin in the RCAF, the Lockheed Lightning in the RAF and the RAAF, the Republic Lancer in the RAAF and the Vultee Vanguard. With 44 photos, including four in colour, and three colour profiles in 40 pages. Updated October 2019, November 2021.