"Hasidism: A New History" by Alex Cliff explores the origins, beliefs, practices, and evolution of Hasidism from its inception in the 18th century to its contemporary presence. The movement, founded by Rabbi Israel ben Eliezer (the Baal Shem Tov), emphasized joyous and accessible spirituality, focusing on the immanence of God in daily life and personal divine connection. It flourished despite opposition and challenges, such as intellectual criticisms and the devastation of the Holocaust. The book details the formation of key Hasidic dynasties, the central role of the Rebbe, and the movement's mystical foundations. Today, Hasidism remains a vibrant and influential force within the global Jewish community, balancing tradition with modern challenges.