"a superb narrative of these brilliant men and their scientific discovery. . . . Science writing of the first order." – Kirkus Reviews (starred)

Hager's "fine book . . . . is not only one of triumph, of how Haber and Bosch 'invented a way to turn air into bread,' earning a Nobel Prize and saving millions from starvation. This is also a story of irony and tragedy."– Publishers Weekly

"A page-turner. . . . make[s] the scientific process as suspenseful as a good whodunit." - Portland Oregonian

"a compelling narrative. . . . I know of few other books that provide the general reader with a better portrait of chemistry as the most useful of sciences, and I intend to recommend it to scientists and non-scientists alike." – Journal of Chemical Education

A “riveting story. . . . Haber and Bosch are fascinating if troubled personalities, brought by Hager compellingly to life.” – Washington Post