Reviewed by Christopher Allmand CONSTABLE, 352pp, £20Tablet bookshop price £18                Tel 01420 592974Desmond Seward’s The Demon’s Brood proceeds at a lively pace. The author’s preference is for a rather old-fashioned kind of history, focusing on kings: who they were, what they were like and what they did or failed to do. Beginning in the second half of the twelfth century with Henry II, and ending in the late fifteenth century with Richard III (a photo of whose deformed skeleton unearthed at Leicester in 2012 is sensibly included in place of a portrait), we are offered the author’s view of 13 kings, in a manner more descriptive than analytical. Among the better ones is Henry