Letters, notes, and cards written by Arthur Conan Doyle (including a few written by a secretary and signed by Doyle) reflecting the wide range of his interests and activities, from his early days as a practicing doctor to the year of his death in 1930. There are letters to his dentist, Guy Ash (one referring to his hopes of using the dye dicyanin to capture ghostly images); to his friend Robert Barr and his deteriorating relationship with McClure’s publishing business; to New England minister Edward N. Beecher relating to Spiritualism; to the Committee of the Electors of Central Edinburgh offering himself as a candidate for the Liberal Unionists, 1900; to Spiritualists and mediums Francis R. Fast and Arthur Ford; to Strand Magazine editor Sir George Newnes; to journalist William Park about the Oscar Slater case; to H.P. Rose regarding the A.W. Wall’s motorcycle company and the Autowheel; to the Society for Psychical Research to resign; to Sir Richard Stawell venting his outrage at the execution of Edith Cavell; to his friend American writer Mark Sullivan; to Mr. Wilson explaining his decline to run for political office for a third time. A further 32 letters to unknown correspondents cover a variety of subjects such as the Autowheel, the Slater case, his research for writing about World War I, and social and personal notes. Six incoming letters are from Rudyard Kipling on a variety of topics, from lunch to H.G. Wells' Time Machine; Five of the other six incoming letters deal with the subject of capturing auras of the deceased with the possible use of dicyanin dye and experimental glass cells, and the sixth is a note regarding William Park and the Slater case.