The Rambam explains the basic requirements of doing teshuva and seeking forgiveness from another person: acknowledging the transgression, making amends, and seeking forgiveness (presumably publicly ...
Why do we read Yona of all things on Yom Kippur? There are better tales of teshuvah that are more relevant to klall yisroel; why was this sefer, which deals exclusively with non-Jews doing teshuva, ...
Sefer Yona 1:2 Why does Hashem send Yona to tell non-Jews to do teshuva (repentance)? I don't believe this was ever done before or since.