Harry Houdini

The unmasking of Robert-Houdin together with a treatise on handcuff secrets

George Routledge & Sons, London 1909 (I ed. 1906).

Burren Loughlin

Bright-Wits. Prince of Mogadore and the puzzles he had to solve

H. M. Caldwell co., New York 1909.

Oudini

Secrets of the great mysteries now revealed for the first time

Frank J. Rowan and E.T. Stewart, Boston 1909.

Alsdorf Donald Holmes

Some modern conjuring: a series of original experiments in the magic art

Self published, 1909.

Hereward Carrington

Eusapia Palladino and Her Phenomena

B.W. Dodge & Company, New York 1909.

The Boy Magician: the boy's own journal on magic

Presto Pub. Co., New York 1909.

Gerald Handerson Thayer

Concealing-coloration in the animal kingdom. An exposition of the laws of disguise through color and pattern: being a summary of Abbott H. Thayer's discoveries

The Macmillan Co., New York 1909.

Max Sterling

Problems in mystery: for practical magicians

1909.

Cesare Lombroso

Ricerche sui fenomeni ipnotici e spiritici

Unione Tipografico-Editrice Torinese, Torino 1909.

Alfred Edouard D'Hont e Donato

La vie mysterieuse

N. 1, Paris, 10 gennaio 1909.