Roy Krenkel, Jr.
Source: "Roy Krenkel, Jr. Bibliography." Author Wars, https://authorwars.com/authors/roy-krenkel-jr.html".
Titles:
Cover Art
- Unknown. A Fighting Man of Mars
- Unknown. At the Earth's Core
- Unknown. Back to the Stone Age
- Unknown. Escape on Venus
- Unknown. Out of Time's Abyss
- Unknown. Pellucidar
- Unknown. Pirates of Venus
- Unknown. Pirates of Venus
- Unknown. Planet of Peril
- Unknown. Prince of Peril
- Unknown. Tărîmul uitat de timp
- Unknown. Tanar of Pellucidar
- Unknown. The Cave Girl
- Unknown. The Chessmen of Mars
- Unknown. The Eternal Savage
- Unknown. The Land of Hidden Men
- Unknown. The Land That Time Forgot
- Unknown. The Moon Maid
- Unknown. The Outlaw of Torn
- Unknown. The People That Time Forgot
- Unknown. Thuvia, Maid of Mars
- 2013. The Golden Ape
Interior Art
- Unknown. A Fighting Man of Mars
- Unknown. At the Earth's Core (title page)
- Unknown. At the Earth's Core (title page)
- Unknown. Back to the Stone Age (title page)
- Unknown. Escape on Venus (title page)
- Unknown. Out of Time's Abyss (title page)
- Unknown. Pellucidar (title-page)
- Unknown. Pirates of Venus
- Unknown. Pirates of Venus (title page)
- Unknown. Planet of Peril (title page)
- Unknown. Prince of Peril (title page)
- Unknown. Tanar of Pellucidar (title page)
- Unknown. Tanar of Pellucidar (title page)
- Unknown. The Cave Girl (title page)
- Unknown. The Chessmen of Mars (title page)
- Unknown. The Land of Hidden Men (title page)
- Unknown. The Land That Time Forgot (title page)
- Unknown. The Moon Maid
- Unknown. The Moon Maid (title page)
- Unknown. The Outlaw of Torn (title page)
- Unknown. The People That Time Forgot (title page)
- Unknown. Thuvia, Maid of Mars (title page)