This vintage small green hardcover book titled "Rubaiyat of Omar Khayyam" is a rare gem for any book collector or lover of classics. The book is a first edition by Henry Altemus Company and was published around 1910 in the United States. The book is written in English and has special attributes that make it stand out from the rest. Its binding is hardcover, and it falls under the categories of antiquarian and collectible, as well as books and magazines. The book topic is religion and spirituality, and the subject is classics. The author, Omar Khayyam, was a renowned Persian poet, philosopher, and mathematician who lived over 900 years ago. The book has several aspects that make it unique, including the language it is written in, the publisher, and the country/region of manufacture.