Post apocalyptic fiction

[left-of-center2012]

63. Eternity Road by Jack McDevitt

Eternity Road by Jack McDevitt
In a post-Apocalypse America where almost everyone was killed by a plague over 1700 years prior, little is known about the ancient "Roadmaker" civilization that is said to have built the devastated ruins of enormous cities, and the magnificent roads that still cover the landscape. In the valley of the Mississippi River, a number of towns have united again, trade and science have begun anew.

When a copy of Mark Twain's novel A Connecticut Yankee in King Arthur's Court is discovered in the estate of the sole survivor of an earlier expedition to the north, a young woman named Chaka Milana, whose brother died in the previous expedition almost a decade ago, decides to gather a band of explorers and try to find Haven, a legendary stronghold where the knowledge of mankind is said to have been collected and kept safe for future generations.