Nelly Channell By: Sarah Doudney

Network of Crime By: Nicholas Carter

Never-Fail Blake By: Arthur Stringer

No. 17 (Number 17) By: J. Jefferson Farjeon

Notting Hill Mystery By: Charles Warren Adams

Old Ladies By: Hugh Walpole

On Secret Service By: William Nelson Taft

On the Edge of the Arctic or, An Aeroplane in Snowland By: H. L. (Harry Lincoln) Sayler

On the Witness Stand: Essays on Psychology and Crime By: Hugo Münsterberg

One Life, One Love By: Mary Elizabeth Braddon

Orange-Yellow Diamond By: Joseph Smith Fletcher

Oscar the Detective Or, Dudie Dunne, The Exquisite Detective By: Harlan Page Halsey

Other House By: Henry James

Other People's Money By: Emile Gaboriau

Outside the Prison By: Richard Harding Davis

Owen Clancy's Happy Trail or, The Motor Wizard in California By: Burt L. Standish

Owen Clancy's Run Of Luck By: Burt L. Standish

Panther Eye By: Roy J. (Roy Judson) Snell

Passenger from Calais By: Arthur Griffiths

Patty's Friends By: Carolyn Wells

Paved With Gold By: Augustus Mayhew

Peter Ruff and the Double Four By: Edward Phillips Oppenheim

Peter the Brazen A Mystery Story of Modern China By: George F. (George Frank) Worts

Plague of Pythons By: Frederik Pohl

Poisoned Pen By: Arthur B. Reeve

Postmaster's Daughter By: Louis Tracy

Queen of Hearts By: Wilkie Collins

R. Holmes and Co. By: John Kendrick Bangs

Radio Boys Loyalty Or, Bill Brown Listens In By: S. F. (Samuel Francis) Aaron

Rayner-Slade Amalgamation By: Joseph Smith Fletcher

Red Diamonds By: Justin McCarthy

Red Hand By: Arthur Machen