Science fiction

The Metal Monster

Otis Adelbert Kline

The Missionary

George Griffiths

The Mummy and Miss Nitocris. A Phantasy of the Fourth Dimension

George Griffiths

The Outlaws of Mars

Otis Adelbert Kline

The Outlaws of the Air

George Griffiths

The People That Time Forgot

Edgar Rice Burroughs

The Planet of Peril

Otis Adelbert Kline

The Planetary Series

Stanley G. Weinbaum

The Port of Peril

Otis Adelbert Kline

The Prince of Peril

Otis Adelbert Kline

The Prison Healer. Próby żywiołów

Lynette Noni

The Radium Seekers

Fenton Ash

The Raid of Le Vengeur

George Griffiths

The Revenge of the Robot and Other Tales

Otis Adelbert Kline

The Romance of Golden Star

George Griffiths

The Star Rover

Jack London