Castle studies have been shaped and defined over the past half-century by the work of R. Allen Brown. His classic English Castles, renamed here to acknowledge its definitive approach to the subject, has never been superseded by other more recent studies, and is still the foundation study of the English, and Welsh, castles built between the Norman Conquest and the mid 1500s. As the subject evolved, so too did this book, and for the most recent edition a considerable amount of French comparative material was added, though it remains essentially a study of English castles. For Allen Brown,...