Al-Adab Al-Mufrad is Imam al-Bukhari's second most well-known work; a collection of 1300 narrations on Islamic etiquette and conduct, it is a fascinating insight into how one should behave as practised by the Prophet Muhammad (PBUH) his companions and the Aimmah of the Tabi'in from the following generation. It tackles a variety of issues, from dealing with specific family members, to how to write letters, to how to go shopping to even on how to walk properly. The unique depth and importance of this book makes it an undeniable calssic.