The book 'Extreme Trauma: October 7 as an Outlier in the Range of Human Potential' by Dr. Moshe Kaplan delves into the atrocities committed by Hamas terrorists and Gazans on October 7, 2023, contrasting the barbarity with the resilience and bravery of the Jewish people. The book aims to highlight the horrors of the event, the innate resilience of the Jewish people, and the worldwide growth of antisemitism.