Is there a clandestine world of tunnels and bases underground? Who is living in them? What do they want with humanity? "Great read rivals Cussler and Riely...Th

-- This is the 2nd book in the series, so read "Greyland: D.U.M.B.s (Deep Underground Military Bases) - Book 1" first. -- Oceandeep continues the story of civil

"Great read rivals Cussler and Riely...Thank you." - reader comment left on author's site. Is there a clandestine world of tunnels and bases underground? Who is

As the returning planet “Wormwood” (also known as the "Destroyer") gets closer, trailing its debris of asteroids, Leon, the General, and Major Marks struggl

Is there a clandestine world of tunnels and bases underground? Who is living in them? What do they want with humanity? This is "Moonbase" the 4th book in the se