The Ten Thousand (Portal Wars, #2)

The Portals. Ancient and mysterious, the constructs of a long-dead race, they allow instantaneous transit from one world to another, regardless of the distances involved. When mankind discovered the first Portal on Earth it ushered in an age of exploration, as more and more distant worlds were explored and colonized. But the dream turned quickly to a nightmare when mankind met the Tegeri…and plunged into half a century of desperate war.

An older race than humanity, the Tegeri had found the ...