This book examines with a critical eye the standard narrative regarding the evolution of Old and Middle English, according to which English appeared in the 5th century out of an amalgam of supposedly related West Germanic languages, later simplified by contact with Old Norse, and then refined by amalgam with Norman French. Other versions of events, not least the Celtic hypothesis, and perhaps the existence of Germanic languages in Britain before the arrival of the Romans, will be presented as credible alternative accounts. Discussion will not be limited to linguistic data, which unfortunately is often lacking or open to different interpretations, but will also draw upon the work of historians, archaeologists and geneticists. Their observ...