Is there a clandestine world of tunnels and bases underground? Who is living in them? What do they want with humanity?

Leon Verdat thought he knew all there was to know about building underground tunnels and structures. His civilian contracting business was doing very well and his family was thriving.

Then, he got a visit from a mysterious Man in Black and all that changed.

Greyland: D.U.M.B.s (Deep Underground Military Bases) – Book 1

Oceandeep: D.U.M.B.s (Deep Underground Military Bases) – Book 2

Rescueplan: D.U.M.B.s (Deep Underground Military Bases) – Book 3

Moonbase: D.U.M.B.s (Deep Underground Military Bases) – Book 4

Wormwood: D.U.M.B.s (Deep Underground Military Bases) – Book 5

Destroyer: D.U.M.B.s (Deep Underground Military Bases) – Book 6

TBA: D.U.M.B.s (Deep Underground Military Bases) – Book 7 (Coming soon)

The D.U.M.B.s (Deep Underground Military Bases) Ebook Boxed Set – First 4 Novels (1st storyline)