Ghar e Thaur (The cave of thaur) is a religious and historical book written by Dr. Hafiz Usman Ahmed. It contains 214 pages. The book tells the story of the famous cave called Ghaar- Thaur (غار ثور), where the Prophet Muhammad (peace be upon him) and his close companion Abu Bakr (RA) stayed during their journey (Hijrah) from Makkah to Madinah. The author explains this important event in a simple, emotional, and inspiring way. The author also explains the Scientific view related to caves and mountains, The kinds of mountains and their history. He also describes how Allah protected the Prophet صلى الله عليه وسلم and his companion. Overall, Ghaar-e-Soor is a short and easy-to-read book that helps readers to understand about very special place in Islamic history. This work holds the status of an encyclopedia in its respective field.