This volume is a collection of papers in honour of Alfons Wouters. The contributions reflect the multiple aspects of Wouters' scholarly activity: ancient grammaticography and language philosophy; humanistic education; literary and documentary papyrology; history of books and libraries in Antiquity. The papers are grouped into three sections: Language, philosophy and books: from ancient Greece to Byzantium; Grammar, writing, language contacts: Latin Antiquity and the Middle Ages; The classical heritage and its fruits: concepts and techniques. The volume opens with a biographical sketch and the list of publications of A. Wouters.