AUDIE CORNISH, HOST:
The writer J.M. Ledgard leads multiple lives. He's a journalist and covers East Africa for the Economist, but Ledgard is also a novelist. Here's Alan Cheuse with a review of his latest book, "Submergence."
ALAN CHEUSE, BYLINE: James More, a British secret agent, has been captured by a Somalian affiliate of al-Qaeda, a peripatetic fringe group that keeps moving him back and forth across the mostly barren terrain of northeastern Africa, trying to hide from drone attacks and make jihad at the same time.