Alfred is the only English king ever to be called 'Great'. It was not a title given by political supporters, not the sycophantic gift of an official biographer, nor a self-styled title. It was the gift of history. Justin Pollard's enthralling, authoritative account befits Alfred - a soldier, a scholar and statesman like no other in English history. His rule spanned troubled times. His shores were under constant threat from Viking marauders and he...