A fascinating look at the rich but under-appreciated Eastern sources behind the Narnia book C. S. Lewis was no great traveller but he was a prodigious bibliophile who absorbed the world's traditions of myth, religion, and cosmology. The Chronicles of Narnia are steeped in allusions to the Bible, Greek mythology, and medieval literature, all of which has been amply discussed by critics. But, until now, what has been overlooked...