This site offers an online study of the Kitāb Gharāʾib al-funūn wa-mulaḥ al-ʿuyūn , or Book of Curiosities, a 12th- or 13th-century copy of an anonymous treatise compiled in the first half of the 11th century in Egypt. The treatise contains diagrams of the heavens and maps of the earth, and is highly important for the history of astronomy and cartography.
The site contains a high-quality digital reproduction of the original text and illustrations, linked by mouseovers to a modern Arabic edition and an English translation. It also offers a User’s Guide and a Teacher’s Pack.