Instruct: Classify Amazon reviews into positive or negative sentiment
Query: The engaging history of twenty Irish chiefs, their families and their backgrounds

Vanishing Kingdoms: The Irish Chiefs And Their Families by Walter J. P. Curley (former US Ambassador to Ireland and France) is the engaging history of twenty Irish chiefs, their families and their backgrounds. Introducing the three O'Brien, O'Connor Don, and O'Neill clans as legitimately retaining claims to kingship of Ireland, and their descendants as territorial kings and sub-kings, Vanishing Kingdoms delves deeply into the historical suppression and aristocratic control of the Irish ancestral politics. A core addition to all academic and community library Irish History reference collections, Vanishing Kingdoms is very strongly recommended as an informative and documented study of historical Irish political leaders and the resonating effects of the struggle for familial rule in ancient Ireland.