אור יחזקאל ז' דרכי העבודה

Ohr Yechezkel - Volume 7 - Darchei HaAvodah Rabbi Yechezkel Levenstein (Rav Yechezkel HaLevi Levenstein), known as Reb Chatzkel, was the mashgiach ruchani of the Mir Yeshiva, in Mir, Belarus. After WWII he served as Mashgiach in the famed Ponovezh Yeshivah (B'nei Brak). The Ohr Yechezkel Series is a classic mussar work collected from his writings & transcribed from his Sichos.