A.P.2580A. 'Bag The Hun! - Estimation of Range & Angle Off - 'Try This Series Of Exercises & Improve Your Shooting'. (For Official Use Only). Prepared by direction of the Minister of Aircraft Production. Promulgated by order of the Air Council. P/b, 18 x 15cm. 48p, Air Ministry, April 1943 - reprinted incorporating minor corrections, November 1943. Card covers, stitched bindings. A booklet explaining the various factors to be taken into account when firing at enemy aircraft, notably the Focke Wulf Fw190. Written in easily understandable language with cartoon drawings etc. A little grubby/marked with dog-eared corners/pages. With original celluloid overlay in an envelope at the back. Named to the original owner. An excellent scarce little booklet in good used condition. Stock code P25455.