As promised earlier, I have borrowed a copy of R. V. Jones’s Most Secret War (1978), known in the US as Wizard War. While at the Library I also noticed and borrowed Alfred Price, Instruments of Darkness (1967), which is a general study of the night-time air war in WWII. Price acknowledges discussions with R. V. Jones as one of his main sources, so the two books are not entirely independent.
On checking Jones’s account of the Knickebein problem ... Read even more