The Mystery of the Locks

Sheehan, Perley Poore, 1875-1943; Means, E. K. (Eldred Kurtz), 1878-1957; Brand, Max, 1892-1944; Abdullah, Achmed, 1881-1945

Greiffenhagen, Maurice, 1862-1931 [Illustrator]; Le Queux, William, 1864-1927

Sedgwick, Anne Douglas, 1873-1935

Stringer, Arthur, 1874-1950

Kaye-Smith, Sheila, 1887-1956

Hume, Fergus, 1859-1932

Ingels, Graham, 1915-1991 [Illustrator]; Brackett, Leigh, 1915-1978

Comfort, Will Levington, 1878-1932

Brett, Edwin J. (Edwin John), 1828-1895 [Editor]; G. P. S.

Diamant, Gertrude, 1901-1969

Donovan, Laurence, 1885-1948