A.P. 2580A. Bag The Hun! - Estimation of Range & Angle Off - 'Try This Series Of Exercises & Improve Your Shooting'. (For Official Use Only). P/b, 18 x 15cm. 48p, Air Ministry, April 1943 - reprinted June 1943. A booklet explaining the various factors to be taken into account when firing at enemy aircraft. Written in easily understandable language with cartoon drawings etc. A little grubby with dog-eared corners and a hole punched in the top left corner (for hanging?). An excellent little booklet. Stock code P17336.