“An engrossing and ambitious novel that vividly portrays a critical time in American history.” — *Booklist* (starred review) “Enthralling. *A Fierce Radiance* shines with fascinating detail…. Belfer’s powerful portrayal of how people are changed in pursuit of a miracle makes this book an especially compelling read.” — Nancy Horan, author of *Loving Frank* Set during the uncertain early days of World War II, this suspenseful story from the *New York Times* bestselling author of *City of Light* follows the work of photojournalist Claire Shipley as she captures America’s race to develop life-saving antibiotics—an assignment that will involve blackmail, espionage, and murder.