The biography of Omar Khayyam the 10th century poet, astronomer, mathematician, and lover of wine. He is best known for The Rubaiyat Of Omar Khayyam. A fascinating read!
Used availability for Harold Lamb's Omar Khayyam
May 1978 : USA Mass Market Paperback
1971 : USA Paperback
July 2019 : USA, Australia, Canada, UK Kindle edition