Hawker Siddeley/BAe Harrier Manual: 1960 Onwards (All Marks) (Owners' Workshop Manual)
Denis J. Calvert is an authority on the Harrier and as an aviation journalist he has covered its service over 30 years. He lives in Cambridgeshire. Brian Johnstone MBE served in the Royal Navy as a Sea Harrier airframe and engines maintainer. He lives in Spain.