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'a substantial and worthwhile volume ... a valuable book' Journal of Ecclesiastical History.
Journal of Ecclesiastical History
'A magisterial survey of the great European emperor, of the Latin culture of his court and the political extent of his domains' A.N. Wilson, Observer.
'This scholarly and meticulously researched biography is a book one really does want to read' Simon Heffer, Sunday Telegraph.
Sunday Telegraph
'Excellent and thought-provoking ... tells the story of an iconic figure for the new Europe' Tom Shippey, Times Literary Supplement.
Times Literary Supplement