Otis Adelbert Kline

Planet of Peril

2021

The Port of Peril

2022

Maza of the moon

2021

The Swordsman of Mars

2021

Prince of Peril

2021

The Outlaws Of Mars

2021

The prince of peril

2021

Outlaws of Mars

2020

Swordsman of Mars

2018

Port of Peril

2018

Jan in India

2010

Cosmos

2019

Satans of Saturn

2012

Otis Adelbert Kline's Mars Series

2021

Jan of the Jungle

2009

Thrilling Wonder Collection

2010

Thing of a Thousand Shapes and Other Tales from the Pulps

2022

The Secret Kingdom & Scratch One Asteroid

2015