A writer in Al -Arabiya did not obtain what Ibn Khaldun received from the position and fame, and a scientist in history and meeting did not have the reading, research and seriousness of this sign about his works, especially his introduction that brings together the movement of Arab thought as an intellectual opening and an advanced basis for sociology. But this book is by Ibn Khaldun, which is an existing work in itself, in the way that it wanted for it, which is messages, and the diaries of the owner of the "introduction" during his travels and repeated trips between Morocco and Andalusia, and his journey to the Arab East, towards Egypt first, the Arabian Peninsula to spend a duty Hajj, then Hajj to Jerusalem, and finally his exciting journey to Damascus during the invasion of the Tatars of the city in the year 803 AH 1400. Thus it is a biography, and the book "Journey" together.