The Adventure of the Red circle
Interesting Facts about the adventure of the Red Circle( REDC):
a)This is the last appearance of Inspector Tobias Gregson in the Canon.
b)Howe Street is a creation of Sir Arthur Conan Doyle, overlooking Orme Street, which is commonly known as Great Ormond Street located in Central London, northeast from the British Museum.
c) It was originally entitled "The Adventure of the Bloomsbury Lodger" on its opening page, Sir Arthur Conan Doyle later crossed through the last words and inserted "Red Circle".See the manuscript at the link below
Can any member add more of their observations on REDC?