Oxygen Leaks

Author David Kumah

    Books by David Kumah

    The below list may not represent a complete list of books by David Kumah. 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.

    Elemental Ninja Techs: Out of The Shadows cover image

    Elemental Ninja Techs: Out of The Shadows

    Release Date: Wednesday, July 2nd, 2025
    In 'Elemental Ninja Techs: Out of The Shadows,' 13-year-old Kai and his friends discover elemental powers and unite as Ninja Techs to protect New York from a crystal-powered villain and other extraordinary threats.