1957’s Cycle of Fire is a young-adult novel by Hal Clement.
Marooned in a vast lava field by a glider crash, Dar Lang Ahn undertakes to march out on foot. It’s only after he has set out that he realizes that the march will be much harder than he expected. He and his precious cargo of books might be lost forever.
An unexpected encounter saves Dar’s life and his books. Immediate consequences: benign. Long-term consequences: wrenching transformation for Dar’s people, the natives of the world Abyormen.