A very substantial achievement....Its reputation will surely be that of a highly regarded classic work necessarily resorted to by all those seriously interested in the history and culture of medieval Powys and of medieval Wales in general.
CAMBRIAN MEDIEVAL CELTIC STUDIES
There can be no doubt that his work will provide a solid foundation for, and indeed stimulate, much future work on the fascinating subject of medieval Powys.
SPECULUM
David Stephenson's excellent history of the kingdom of Powys signals a long-needed sea-change in the writing of Welsh history.
HISTORY
An outstanding work of scholarship.
STUDIA CELTICA
Has profound implications for our understanding of medieval Welsh and Marcher history that challenge the conventional canon of literature.
TRANSACTIONS OF THE SHROPSHIRE ARCHAEOLOGICAL AND HISTORICAL SOCIETY
Another major step forward in our understanding of the complex politics of Wales in the Middle Ages.
BRYCHEINIOG JOURNAL
Very nicely produced by the Boydell Press, Medieval Powys is a valuable resource for any scholar interested in medieval Wales.
NORTH AMERICAN JOURNAL OF CELTIC STUDIES
[T]here can be no doubt that Stephenson has succeeded brilliantly in synthesizing and expanding his work on high medieval Powys. His book comes highly recommended to all those interested in the nature of high medieval lordship and politics, in Wales-and beyond.
- Max Lieberman, Journal of British Studies