The Map of All Things (Terra Incognita, #2)

A line in the sand.

A wall to the sky.

After terrible atrocities by both sides, the religious war between Tierra and Uraba has spread and intensified, irreparably dividing the known world. What started as a series of skirmishes has erupted into a full-blown crusade.

Now that the Uraban leader, Soldan-Shah Omra, has captured the ruined city of Ishalem, his construction teams discover a priceless ancient map in an underground vault—a map that can guide brave explorers to the mysterious Key to Cr...