Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Uyghur Arabic script (Uyghur Ereb Yëziqi or UEY) is an Arabic alphabet used for writing the Uyghur language, primarily by Uyghurs living in China. It is one of several Uyghur alphabets.The first Arabic-derived alphabet for Uyghur was developed in the 10th century, when Islam was introduced to the Uyghur people. The version used for writing the Chagatai language, which became the regional literary language, is now known as the Chagatai script, and was used nearly exclusively up to the early 1920s.