The twin sisters Agnes Lewis (1843–1926) and Margaret Gibson (1843–1920) were pioneering biblical scholars who became experts in a number of ancient languages. Travelling widely in the Middle East, they made several significant discoveries, including one of the earliest manuscripts of the Four Gospels in Syriac, a dialect of Aramaic, the language probably spoken by Jesus himself. Their chief discoveries were made in the Monastery of St Catherine on Mount Sinai. This text is a transcription of an Arabic manuscript discovered at the monastery and translated by Margaret Gibson. First published in 1899, the text includes sections of the New Testament as well as a short moral parable, some religious aphorisms and an essay on the nature of God. Illustrated with reproductions of the manuscript pages, this book is a useful text in the study of Arabic Christianity as well as an interesting resource for theological scholars.