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ABOUT GREYMARK PUBLISHING
An independent press exploring humanity’s place in a larger universe.
Greymark Publishing is an independent press dedicated to speculative nonfiction and visionary science fiction that challenges conventional ideas about humanity’s place in the cosmos.
Founded by author Erik Nanstiel, Greymark publishes works that explore the intersection of science, history, and the unknown — from firsthand encounters and investigative nonfiction to cinematic science-fiction narratives.
Our mission is to publish stories that encourage readers to question assumptions, explore the mysteries of our universe, and imagine humanity’s future among the stars.
Our publishing focus includes:
• UFO research and extraterrestrial encounters
• speculative science and cosmic philosophy
• visionary science fiction
• the intersection of history, myth, and unexplained phenomena
Founder

Greymark Publishing was founded by author Erik Nanstiel, whose work explores alien contact experiences, speculative science, and the hidden forces that may shape human civilization.
His books include Angst in the Shadows, A Blood Covenant, and the upcoming science fiction trilogy, Convergence.
Greymark was established to publish works that challenge conventional narratives about humanity’s past, present, and future.
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