The mystery of the real business of the syndicate utterly baffled the clever young "amateurs" who tried to solve it, and it took all the experience and perseverance of the "professionals" to break up the dangerous and murderous gang.
The Detection Club, Agatha Christie, Dorothy L. Sayers, G. K. Chesterton, Canon Victor L. Whitechurch, G. D. H., M. Cole, Henry Wade, John Rhode, Milward Kennedy, Ronald Knox, Freeman Wills Crofts, Edgar Jepson, Clemence Dane & Anthony Berkeley
Agatha Christie, Edgar Wallace, Arthur Conan Doyle, Wilkie Collins, R. Austin Freeman, H. C. McNeile, G. K. Chesterton, Arthur Morrison, Ernest Bramah, Victor L. Whitechurch, Thomas W. Hanshew, E. W. Hornung, J. S. Fletcher, Rober Barr, Frank Froest, C. N. Williamson, A. M. Williamson, Isabel Ostander, Edgar Allan Poe, Arthur B. Reeve, Émile Gaboriau, Marie Belloc Lowndes, Richard Marsh, Mary Roberts Rinehart, Arthur J. Rees, Carolyn Wells, William Le Queux, Frank L. Packard, Fred M. White, Allan Pinkerton, Marcel Allain, Pierre Souvestre, E. C. Bentley, A. A. Milne, Anna Maynard Barbour, A. E. W. Mason, Louis Tracy, Auguste Groner, Sax Rohmer, E. Phillips Oppenheim, Cleveland Moffett, Louis Joseph Vance, Jackson Gregory, Frank H. Spearman, Murray Leinster, Erskine Childers, Dorothy L. Sayers, Freeman Wills Crofts, Catherine Louisa Pirkis, H.C. Bailey, H. Beam Piper, James Hay, Melville Davisson Post, Anna Katharine Green, Ambrose Bierce, John R. Coryell, Frederic Arnold Kummer & Arthur Cheney Train
Agatha Christie, Edgar Wallace, Arthur Conan Doyle, Wilkie Collins, R. Austin Freeman, H. C. McNeile, G. K. Chesterton, Arthur Morrison, Ernest Bramah, Victor L. Whitechurch, Thomas W. Hanshew, E. W. Hornung, J. S. Fletcher, Rober Barr, Frank Froest, C. N. Williamson, A. M. Williamson, Isabel Ostander, Edgar Allan Poe, Arthur B. Reeve, Émile Gaboriau, Marie Belloc Lowndes, Richard Marsh, Mary Roberts Rinehart, Arthur J. Rees, Carolyn Wells, William Le Queux, Frank L. Packard, Fred M. White, Allan Pinkerton, Marcel Allain, Pierre Souvestre, E. C. Bentley, A. A. Milne, Anna Maynard Barbour, A. E. W. Mason, Louis Tracy, Auguste Groner, Sax Rohmer, E. Phillips Oppenheim, Cleveland Moffett, Louis Joseph Vance, Jackson Gregory, Frank H. Spearman, Murray Leinster, Erskine Childers, Dorothy L. Sayers, Freeman Wills Crofts, Catherine Louisa Pirkis, H.C. Bailey, H. Beam Piper, James Hay, Melville Davisson Post, Anna Katharine Green, Ambrose Bierce, John R. Coryell, Frederic Arnold Kummer & Arthur Cheney Train
