You Must Know
The Blessed and Noble Prophet Muhammad
(May Allah send peace and blessings upon him)
A concise encyclopedia of Islamic teachings, compiled by Dr. Abdul Hai English French
Beautiful Sunnats of the Beloved Nabi Sallallahu `alaihi wasallam by Shaykh Muhammad Hakeem Akhtar Saheb
Hijab by Dr. Ismail Memon Madani (translation and .pdf by Dr. Mohammad Sadiq)