John Sadler is a British historian specialising in the Anglo-Scottish Border conflicts during the Middle Ages.
Sadler is a regular contributor to military and historical journals and has published a number of books on the subject.
[1] Some of his books were written in collaboration with Rosie Serdiville.
[3] Sadler is a member of the living history group Time Bandits.
This article about a British historian or genealogist is a stub.