A trilogy of Chasidic essays by Rabbi Yosef Y. Shneersohn of Lubavitch including: Some Aspects of Chabad Chasidism, On The Teachings of Chasidus and On Learning Chasidus.
Kehot Publication Society, the publishing arm of the Lubavitch movement, has brought Torah education to nearly every Jewish community in the world, and is the world's largest publisher of Jewish literature.