Israel s flawed intelligence assessment in October 1973 has been studied intensively and been the subject of much public and professional debate. Israel s Intelligence Assessment before the Yom Kippur War adds a unique dimension to previously disclosed material, as its author served as head of the Research Branch of Israeli Military Intelligence on the eve of and during the Yom Kippur War and as such was responsible for the national intelligence assessment at the time. Drawing on his personal records, and on interviews and extensive research conducted in the intervening decades, Aryeh Shalev...