The Woman Who Smashed Codes is a thrilling page-turner for math enthusiasts and lovers of history alike. Elizebeth Smith’s genius for code-breaking allowed her to contribute to critical moments in US history, from Prohibition to World War II. Her unwavering dedication to her work helped her crack multiple versions of the Enigma machine used by German spies, working tirelessly alongside her husband William for the good of their country. Fagone’s expert storytelling paints a vivid picture of the intense mathematical puzzles these two formidable heroes faced. For those fascinated by the intersection of math and espionage, The Woman Who Smashed Codes is a must-read.