At long last, Jacob’s Ladder has arrived at the planet called Grail but finds it is already populated. They don't see the genetically altered population as human though even though they, too, come from earth. The new settlers have been all been alerted and internal threats are ready to take control. Will Civil War break out? Who will win, and who will prevail? What is humanity? Will it survive?

Bear has written a classic, It deserves collecting and re-reading ~~ Pam Allan