No one ever thought the Pacific Northwest was due for an earthquake, let alone a catastrophic one. But geologists are transforming our understanding of the grave dangers the population in the region of Cascadia face—will there be a big one? And what can be done to save lives?

Sibert Medalist, National Book Award Honoree, and New York Times best-selling author Sy Montgomery turns her formidable talents to the story of California condors and the scientists who have fought against their extinction in this installment in the award-winning Scientists in the Field series.