This is the first text book to offer a comprehensive approach to Old Frisian and includes a history of the Frisians during the Middle Ages, their society and literary culture. Covered are the phonology, morphology, word formation and syntax of Old Frisian, with a chapter on Old Frisian dialects and one on problems regarding the periodization of Frisian and the close relationship between (Old) Frisian and (Old) English. Included is a reader with a representative selection of twenty-one texts with explanatory notes and a full glossary. A bibliography and a select index complete the book.