An AI Book Series, “The Silent Signal,” Book One: The Extraterrestrial Espionage Posted on March 28, 2025March 29, 2025 by Dennis Robbins Book Two, “The Earth Fights Back” continues here. “The Silent Signal,” Book Three: Aegis Earth is available here. Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Email a link to a friend (Opens in new window) Email Share on Reddit (Opens in new window) Reddit