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Releases by Otis Adelbert Kline

Cover for Otis Adelbert Kline · Jan of the Jungle (Paperback Book) (2025)

Jan of the Jungle (2025)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Swordsman of Mars (Paperback Book) (2025)

The Swordsman of Mars (2025)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Planet of Peril (Hardcover Book) (2024)

Planet of Peril (2024)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Port of Peril (Paperback Book) (2024)

The Port of Peril (2024)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Swordsman of Mars (Hardcover Book) (2024)

The Swordsman of Mars (2024)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Swordsman of Mars (Paperback Book) (2024)

The Swordsman of Mars (2024)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Outlaws of Mars (Hardcover Book) (2024)

The Outlaws of Mars (2024)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Outlaws of Mars (Paperback Book) (2024)

The Outlaws of Mars (2024)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Otis Adelbert Kline's Mars Series: The Swordsman of Mars, the Outlaws of Mars (Paperback Book) (2024)

Otis Adelbert Kline's Mars Serie... (2024)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Thing of a Thousand Shapes and Other Tales from the Pulps (Paperback Book) (2022)

The Thing of a Thousand Shapes a... (2022)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Outlaws of Mars (Hardcover Book) (2021)

The Outlaws of Mars (2021)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Outlaws of Mars - Otis Adelbert Kline's Mars (Paperback Book) (2021)

The Outlaws of Mars - Otis Adelb... (2021)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Swordsman of Mars (Hardcover Book) (2021)

The Swordsman of Mars (2021)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Swordsman of Mars (Paperback Book) (2021)

The Swordsman of Mars (2021)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Otis Adelbert Kline's Mars Series (Hardcover Book) (2021)

Otis Adelbert Kline's Mars Series (2021)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Otis Adelbert Kline's Mars Series (Paperback Book) (2021)

Otis Adelbert Kline's Mars Series (2021)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Planet of Peril (Paperback Book) (2021)

Planet of Peril (2021)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Prince of Peril (Paperback Book) (2021)

Prince of Peril (2021)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Prince of Peril (Paperback Book) (2021)

Prince of Peril (2021)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Port of Peril (CD) (2021)

The Port of Peril (2021)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Planet of Peril (CD) (2021)

Planet of Peril (2021)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Pulp with a Bite (Paperback Book) (2021)

Pulp with a Bite (2021)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Swordsman of Mars (Paperback Book) (2020)

The Swordsman of Mars (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Port of Peril (Paperback Book) (2020)

The Port of Peril (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Planet of Peril (Paperback Book) (2020)

Planet of Peril (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Venus Trilogy: The Planet of Peril, The Prince of Peril & The Port of Peril: Space Adventure Novels (Paperback Book) (2020)

The Venus Trilogy: The Planet of... (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Swordsman of Mars & the Outlaws of Mars: Sword & Sorcery Adventure Novels set on an Ancient Mars (Paperback Book) (2020)

The Swordsman of Mars & the Outl... (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · THE CALL OF THE SAVAGE - Jan of the Jungle & Jan in India: Escapades of a Young Man Raised in Lab in Forests and Swamps of Wildlife (Paperback Book) (2020)

THE CALL OF THE SAVAGE - Jan of ... (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · SPACE ADVENTURES Boxed Set - 8 Novels in One Volume: Science-Fantasy Collection, Including The Complete Venus Trilogy, The Swordsman of Mars, The Outlaws of Mars, Maza of the Moon, The Man from the Moon & A Vision of Venus (Paperback Book) (2020)

SPACE ADVENTURES Boxed Set - 8 N... (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Port of Peril Buccaneers of Venus (Paperback Book) (2020)

The Port of Peril Buccaneers of ... (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Swordsman of Mars (Paperback Book) (2020)

The Swordsman of Mars (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Port of Peril Buccaneers of Venus (Paperback Book) (2020)

The Port of Peril Buccaneers of ... (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Swordsman of Mars (Paperback Book) (2020)

The Swordsman of Mars (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Planet of Peril (Paperback Book) (2020)

Planet of Peril (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Planet of Peril (Paperback Book) (2020)

Planet of Peril (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Port of Peril (Paperback Book) (2020)

The Port of Peril (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Port of Peril (Paperback Book) (2020)

The Port of Peril (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Port of Peril (Paperback Book) (2020)

The Port of Peril (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Swordsman of Mars (Paperback Book) (2020)

The Swordsman of Mars (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Swordsman of Mars (Paperback Book) (2020)

The Swordsman of Mars (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Swordsman of Mars (Paperback Book) (2020)

The Swordsman of Mars (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Planet of Peril (Paperback Book) (2020)

Planet of Peril (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Planet of Peril (Paperback Book) (2020)

Planet of Peril (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Planet of Peril (Paperback Book) (2020)

Planet of Peril (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Port of Peril (Paperback Book) (2020)

The Port of Peril (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Swordsman of Mars (Paperback Book) (2020)

The Swordsman of Mars (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Swordsman of Mars (Paperback Book) (2020)

The Swordsman of Mars (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Port of Peril (Paperback Book) (2020)

The Port of Peril (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Planet of Peril (Paperback Book) (2020)

Planet of Peril (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Maza of the Moon (Paperback Book) (2020)

Maza of the Moon (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Prince of Peril (Paperback Book) (2020)

Prince of Peril (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Planet of Peril (Paperback Book) (2020)

Planet of Peril (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Maza of the Moon (Paperback Book) (2020)

Maza of the Moon (2020)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Planet of Peril (Paperback Book) (2019)

Planet of Peril (2019)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Planet of Peril (Paperback Book) (2019)

Planet of Peril (2019)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Chicago Pulp Tales (Paperback Book) (2019)

Chicago Pulp Tales (2019)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Swordsman of Mars (Paperback Book) (2018)

The Swordsman of Mars (2018)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Planet of Peril (Paperback Book) (2018)

Planet of Peril (2018)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Outlaws of Mars (Paperback Book) (2018)

The Outlaws of Mars (2018)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Prince of Peril (Paperback Book) (2018)

Prince of Peril (2018)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Prince of Peril (Paperback Book) (2018)

Prince of Peril (2018)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Bride of Osiris (Paperback Book) (2018)

The Bride of Osiris (2018)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Port of Peril (Paperback Book) (2017)

The Port of Peril (2017)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Planet of Peril (Paperback Book) (2017)

The Planet of Peril (2017)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Jan of the Jungle (The Argosy Library) (Book) (2017)

Jan of the Jungle (The Argosy Li... (2017)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Planet of Peril (Paperback Book) (2016)

The Planet of Peril (2016)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Swordsman of Mars (Paperback Book) (2016)

The Swordsman of Mars (2016)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Swordsman of Mars (Paperback Book) (2015)

The Swordsman of Mars (2015)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Otis Adelbert Kline, Collection (Paperback Book) (2014)

Otis Adelbert Kline, Collection (2014)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Jan of the Jungle (Hardcover Book) (2009)

Jan of the Jungle (2009)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · The Swordsman of Mars (Paperback Book) (2008)

The Swordsman of Mars (2008)

Otis Adelbert Kline

Cover for Otis Adelbert Kline · Planet of Peril (Paperback Book) (2007)

Planet of Peril (2007)

Otis Adelbert Kline