The famous 5th Century Hijri, Ahadith compilation by Imam Al-Nawawi, the ahadith are predominantly from Sahih Bukhari and Sahih Muslim (Other ahadith are from the reliable Books such as Tirmidhi, Ibn Majah and Muwatta Imam Malik), considered by Many as the Most Important Book after the Qur'an Simply because it is a Summary of authentic Traditions of the Prophet Muhammad (S.A.W) covering most parts of ones life.
The famous compilation of hadiths by Imam Nawawi supplemented by footnotes written by Shaykh Muhammad 'Ali al-Sabuni.