Beyond The Burn Line by Paul J. McAuley

Set in a far-future Earth reshaped by climate catastrophe and the disappearance of the “ancients,” this story follows a curious provincial official whose investigation into a suspicious death uncovers forbidden relics and challenges sacred histories. His discoveries echo down the centuries to a later historian, who must untangle myth from memory and confront the true legacy left beneath the world’s forests and ruins, forcing society to rethink its past and future.

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