| Book | Comments |
| Spies in the Sky - by Taylor Downing | History of WW2 photographic reconnaissance and aerial intelligence by RAF Medmenham, Buckinghamshire. |
| Instruments of Darkness by Dr. Alfred Brice | WW2 electronic warfare. Covers navigation, radar
surveillance and airborne systems. Measures, counter measures and the effects on the RAF and luftwaffe. Kindle version - £3.79 |