Mushroom Cloud (First Strike Series Book 1) ($0.99) by Thomas Yeggy: My protagonist, Dr. Caleb Young, a Princeton–Einstein-era-educated physicist, is the chief scientist for the Central Intelligence Agency from its inception in 1947 until he becomes the target of a Department of Justice investigation in December 1963. Secretly a pacifist, he finds he must wildly overestimate NIE estimates of Soviet capabilities.
This deal is good on December 31, 2023