Reb Noson"s letters to his friends and family are filled with inspiration for putting Rebbe Nachman"s teachings of joy and fortitude into daily practice. The mind and energy of Rebbe Nachman"s advice pulsate in every letter. This volume also yields fascinating insights into Reb Noson"s life and activities during the years he was building the Breslover movement virtually single-handedly, in the face of overwhelming obstacles. The biographies of several people mentioned in the letters, along with synopses of Rebbe Nachman"s lessons quoted by Reb Noson, are provided. Volume 4 includes letters from Reb Noson"s closest disciple, Reb Nachman of Tulchin, and from Reb Noson"s son, Reb Yitzchok.