Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 23. Chapters: Balearic Islands expedition, Avempace, Muhammad al-Idrisi, Yusuf ibn Tashfin, University of Al-Karaouine, Great Mosque of Algiers, Dobla, Aoudaghost, Battle of Ourique, 1113-1115 Balearic Islands expedition, Battle of Sagrajas, Spanish maravedi, Ibn Khafaja, Conquest of Santarem, Abu-Bakr Ibn-Umar, Ibn Sahl of Seville, Liber maiolichinus de gestis Pisanorum illustribus, Yahya Ibn Ibrahim, Almoravid Koubba, Abdallah ibn Yasin, Great Mosque of Tlemcen, Ali ibn Yusuf, Al-Tutili, Emir Abdelkader Mosque, Tashfin ibn Ali, Lamtuna, Ghana Bassi. Excerpt: Ab -Bakr Muhammad ibn Yahya ibn al-S yigh (Arabic ), known as Ibn B jjah (Arabic: ), was an Andalusian polymath: an astronomer, logician, musician, philosopher, physician, physicist, psychologist, botanist, poet and scientist. He was known in the West by his Latinized name, Avempace. He was born in Zaragoza in what is today Spain and died in Fes, Morocco in 1138. Avempace worked as vizir for Abu Bakr ibn Ibrahim Ibn Tifilwit, the Almoravid governor of Zaragoza. Avempace also wrote poems (panegyrics and 'muwasshahat') for him, and they both enjoyed music and wine. Avempace joined in poetic competitions with the poet al-Tutili. He later worked, for some twenty years, as the vizir of Yahya ibn Yusuf Ibn Tashufin, another brother of the Almoravid Sultan Yusuf Ibn Tashufin (died 1143) in Morocco. He was the famous author of the Kitab al-Nabat (The Book of Plants), a popular work on Botany, which defined the sex of Plants. Among his many teachers was Abu Jafar ibn Harun of Trujillo a physician in Seville, Al-Andalus. His philosophic ideas had a clear effect on Ibn Rushd and Albertus Magnus. Most of his writings and book were not completed (or well organized) because of his early death. He had a vast knowledge of Medicine, Mathematics and Astronomy. ...