Bulooghul Muraam is a compilation of Ahadith of ahkaam (law) by the great hadith scholar, Hafiz Ibn Hajr Asqalani Shafee (رحمه الله). The Syrian Hanafi muhaddith and faqeeh, Nurud Deen Itr (حفظه الله) has written a beautiful commentary (sharh) on it, which may be downloaded from this link.