Frederick Adams Woods presents compelling evidence to support the great man theory of history and his own category scientific inquiry known as historiometry, or the study of history. In this work, the summarised history of fourteen European nations that have achieved renown at some point in their recorded timeline is compared to the biography of their monarchs and demonstrates the strong link between the intellect and willpower of the supreme leadership and the condition of their country. - Summary by Leon Harvey

Frederick Adams Woods examined the biographical records and family trees of the great dynasties of Europe, judging and comparing their moral standards and intellectual aptitude to their reputation as rulers. The summarised family histories are produced after a painstaking search including portrait galleries, family lineage, comparisons of reputation, and the origin of allegations of madness and moral bankruptcy, all collated within a single volume. - Summary by Leon Harvey