<h2>Is there a clandestine world of tunnels and bases underground? Who is living in them? What do they want with humanity?</h2><b><i>"Great read rivals Cussler and Riely...Thank you." - reader comment left on author''s site.</i></b>In Book 2 Oceandeep, Leon Verdat finds himself working under duress for a black ops military unit battling Grey aliens from their secret D.U.M.B.s around the world. He''s about to learn that not all D.U.M.B.s are under the ground, some are under the sea. <b>This is book 2 in a series, so be sure to read "Greyland" book 1 first, or you''ll be jumping into a running story: -Book 1 "Greyland" http://www.amazon.com/dp/B00FK2A8AA-Book 3 "Rescueplan" http://www.amazon.com/dp/B00MQ99D2O-Book 4 "Moonbase" http://www.amazon.com/dp/B00MTHYR8I-Book 5 "Wormwood" http://www.amazon.com/dp/B01E2HD03K-Book 6 "Destroyer" http://www.amazon.com/dp/B077DB2MLY-Book 7 "Purifier" https://www.amazon.com/dp/B08R1B6Y8W (The last book in the series.) *Note: these books have cliff-hang