This volume includes 26 stories by masters of detective genre:
THE AMATEUR BY RICHARD HARDING DAVIS
THE NAMELESS MAN BY RODRIGUES OTTOLENGUI
THE COUNTESS OF LOWNDES SQUARE BY E. F. BENSON
THE BLACKMAILER OF PARK LANE BY E. F. BENSON
THE PURLOINED LETTER BY EDGAR ALLAN POE
THE BLACK HAND BY ARTHUR B. REEVE
THE BITER BIT BY WILKIE COLLINS
MISSING: PAGE THIRTEEN BY ANNA KATHERINE GREEN
THE ROPE OF FEAR BY THOMAS W. HANSHEW
THE MONTEZUMA EMERALD BY RODRIGUES OTTOLENGUI
A SINGULAR ABDUCTION BY RODRIGUES OTTOLENGUI
THE AZTEC OPAL BY RODRIGUES OTTOLENGUI
THE DUPLICATE HARLEQUIN BY RODRIGUES OTTOLENGUI
THE PEARLS OF ISIS BY RODRIGUES OTTOLENGUI
A PROMISSORY NOTE BY RODRIGUES OTTOLENGUI
THE AFFAIR OF THE CORRIDOR EXPRESS BY VICTOR L. WHITECHURCH
A WARNING IN RED BY VICTOR L. WHITECHURCH
THE ABSENCE OF MR. GLASS BY GILBERT K. CHESTERTON
THE KIMBERLEY FUGITIVE BY CLIFFORD ASHDOWN
THE COIN OF DIONYSIUS BY ERNEST BRAMAH
THE KNIGHT'S CROSS SIGNAL PROBLEM BY ERNEST BRAMAH
THE TRAGEDY AT BROOKBEND COTTAGE BY ERNEST BRAMAH
THE LAST EXPLOIT OF HARRY THE ACTOR BY ERNEST BRAMAH
THE BUNCH OF VIOLETS BY ERNEST BRAMAH
OSCAR THE DETECTIVE BY HARLAN PAGE HALSEY AKA OLD SLEUTH
THE PONSONBY DIAMONDS BY L.T. MEADE AND CLIFFORD HALIFAX