Includes typescript and galley proofs of Chapter 3 entitled "Blitz and Anti-Blitz. [Rudolf] Hess" (provisionally entitled "Blitz and Radar. 1941", "The Blitz and Radio War. 1941" and "The Air and the U-boats"), annotated with notes and comments from various individuals including: WSC, Denis Kelly, Charles Wood, 1st Lord Cherwell [earlier F A Lindemann], Professor R V Jones, Lieutenant-General Sir Henry Pownall, Jay Gold, CSC, Sir Norman Brook [later 1st Lord Normanbrook, Secretary to the Cabinet], Sir John Singleton, 1st Lord Ismay and Sir Edward Marsh.Also includes notes and correspondence from individuals including: Professor R V Jones on subjects including jamming German Air Force radar beams, and the contrast between the British and German attitude to radar (3); Denis Kelly on planning Chapter 3; 1st Lord Ismay; Sir Ivone Kirkpatrick on the arrival of Rudolf Hess; Herbert Morrison on civil defence; Sir Robert Watson- Watt; Lieutenant-General Sir Henry Pownall; Sir John Singleton (2).Also includes: proofs of Appendix D "Estimated British and German Air Strengths, December 1940"; list of the main Blitz attacks in 1941; notes on technical developments in radar, 1940 - 1941; a copy of "Front Line 1940 - 41", a Ministry of Information booklet on the civil defence campaign; an extract from Hansard on Hess's arrival in Scotland; pamphlets by Sir Robert Watson-Watt on "Radar in War and in Peace", "The Evolution of Radiolocation" and "Le Radar"; notes on the German Air Force; draft chapter headings for Volume 3; notes by Sir Martin Gilbert [1960's].