The Illustrated Encyclopedia Of Ammunition by Ian.V.Hogg an A-Z guide of over 250 pages relating to ammunition and ammunition terminology .Want to know what APFSDS stands for or how a base ejection smoke shell works you will find it in here.Im not 100% but i think this book may be out of print now(if anyone knows differant please say)My copy came from Ebay and they can also be readily picked up at arms fairs.Its definately worth looking for