Gates of Repentance--Sha'arei Teshuvah by Rabbeinu Yonah of Gerona
Translator: Silverstein, Rabbi Shraga
The classic work on repentance and religious conduct. With vowelized Hebrew and English translation. This book is a must For The Yamim Noraim (Days of Awe)!

Ani Ledodi V'Dodi Li: Thoughts for the Month of Elul Nebenzahl, Rabbi Avigdor ha-Levi
Translator: Tal, P.R.
A collection of inspiring essays on repentance, chesed, the synthesis of joy and fear in Divine service, and more, culled from the lectures of the Rav of the Old City of Jerusalem.

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