An invaluable piece of research material - if you can find it. ( )

If you collect the works of Sir Arthur,and you only have one reference book in your collection then it should be this one.
It contains details of all the works of fiction,including poetry and plays. Also other works,such as Histories,Speeches,Autobiography,his books of Spiritualism ect. Plus Minor contributions and pieces from newspapers ect . There are also many other items listed which are not to be found easily elsewhere.In short an invaluable work for anyone who is interested in Doyle. ( )