P/b, 29 x 23cm, 2.5cm thick. Issued by British Aircraft Corporation Preston Division, Aircraft Service School, Warton Aerodrome to a Squadron Leader G L Perry, 11 Squadron (11 Sqdn flew Lightnings at RAF Binbrook beteweek 1967 & 1988). Marked as 'Restricted'. Lots of information on power supplies, warning systems, airframe services,engine services, armament electrics etc. The book has some excellent diagrams throughout. The cover is soiled and dog-eared but the pages are generally very good. Stock code P16868.