“There was a person before you who killed ninety-nine people and then he began asking about the learned people of the world (in order that they may show him the path to repentance and salvation)… “ {Collected by Muslim} This is a beautiful compilation of explanations of the famous Hadith of the "Man who Killed 99 Men" explained by Al-Imaam An-Nawawi, Muhammad bin Salih Al-Uthaymeen, and Salim Al-Hilalee. This small book is 38 pages, and includes important fataawaa from Abdul Aziz bin Abdullah bin Baz about At-Tawbah.