Oxygen Leaks

Author Vaughn Heppner

    Books by Vaughn Heppner

    The below list may not represent a complete list of books by Vaughn Heppner. Rather, these books are what we found while specifically searching for recent novels that fit (at least a little) into a hard science fiction category.

    The Null Equation (Starhunter Book 2) cover image

    The Null Equation (Starhunter Book 2)

    Release Date: Thursday, July 24th, 2025
    In 'The Null Equation,' alien scout ship operator faces a desperate struggle against time and perilous foes after being hijacked by bug-eyed jailers intent on reviving a dangerous lunatic using a mysterious weaponization of math.
    The Lost Dimension (Lost Starship Series Book 23) cover image

    The Lost Dimension (Lost Starship Series Book 23)

    Release Date: Thursday, June 5th, 2025
    Pages: 449 pages
    In 'The Lost Dimension,' Keith Maker escapes his brutal universe only to bring a dire warning of an invading enemy, forcing Maddox to defend this dimension against a ruthless force determined to conquer it.
    Starhunter cover image

    Starhunter

    Release Date: Tuesday, April 22nd, 2025
    Pages: 376 pages
    In 'Starhunter,' Kane Hunter discovers he's humanity's last hope against an alien invasion after uncovering a dormant alien ship in the Nevada desert.
    Gravity Wars: Extinction Orbit cover image

    Gravity Wars: Extinction Orbit

    Release Date: Monday, October 7th, 2024
    Pages: 377 pages
    ISBN 13: 9798343464177
    In 'Gravity Wars: Extinction Orbit', the fourth installment of Vaughn Heppner's series, a brutal space war ensues as Earth's forces must unite to stop the Valiants from executing a genocidal plan to wipe out humanity by crashing asteroids into the planet.
    Gravity Wars: Nova Strike cover image

    Gravity Wars: Nova Strike

    Release Date: Saturday, September 7th, 2024
    Pages: 369 pages
    ISBN 13: 9798340452801
    In 'Gravity Wars: Nova Strike' by Vaughn Heppner, Earth faces an alien assault aimed at conquering the Moon and destroying humanity, prompting a desperate elite mission led by John Steele to thwart the invaders using hard science and strategic warfare.
    Gravity Wars: Saturn Protocol cover image

    Gravity Wars: Saturn Protocol

    Release Date: Wednesday, August 7th, 2024
    Pages: 322 pages
    ISBN 13: 9798336194104
    In 'Gravity Wars: Saturn Protocol,' humanity races against time to prevent an alien assault from Titan, where a colossal railgun threatens Earth, necessitating strategic decisions in a high-stakes interstellar conflict without advanced sci-fi technology.
    The Lost Cyborg (Lost Starship Series Book 21) cover image

    The Lost Cyborg (Lost Starship Series Book 21)

    Release Date: Monday, April 29th, 2024
    Pages: 411 pages
    ISBN 13: 9798324561499
    In 'The Lost Cyborg,' Maddox races against time to stop an alien invasion and protect his grandmother as he enlists the help of a powerful telepath, diving into a dangerous world of espionage and high-stakes conflict.