Shaarei Kedusha & Tomer Devorah Menukad [The Gates of Holiness / The Palm Tree of Devorah] שערי קדושה - תומר דבורה מנוקד
An inspirational work containing instruction and exhortations fo a life of outmost holiness, which will ultimately elevate the person to the point where he will be worthy of Divine inspiration (ruach hakodesh). By Rabbi Chaim Vital (1543-1620), the foremost disciple of The Ari.
The second book is Tomer Devorah by Rabbi Moshe Cordovero(1522-1570), who was the head of the Tzfat school of Kabbalah before the Ari. (vowelized Hebrew text)(musar & Kabbalah)