By Sterling E. Lanier.  Hardcover edition of Hiero’s Journey (1973) and The Unforsaken Hiero (1983).

Welcome to North America, 5,000 years after The Death.  The ruins of the civilized world are overgrown with post-holocaust forest and deadly desert wasteland.  The five Great Lakes have merged to form a cast Inland S3ea.  Evolution has remodeled much of the plant and animal kingdoms.”

Hiero Desteen