The Lost Alien Artifact Trilogy
by V Bertolaccini
Three action-packed novels of explorers encountering deadly mind-bending lost alien artifacts! In the first, explorers confront the ultimate technology of an ultimate time traveler, billions of years old! In the second, explorers confront a supernatural voyager probe of inconceivable magnitude! In the third, explorers open a secret chamber in a castle with something of transcendent origins inside!