The essays in this book provide statistical analysis of the transatlantic slave trade, focusing especially on Brazil and Portugal from the 17th through the 19th

The X-15 was the ultimate "X" vehicle. Built in the 1950s, she became the fastest and highest-flying winged aircraft of its time. During 199 flights from 1959 t

Leon Festinger's forty-year scrutiny of that "curious animal, the modern human being" fundamentally transformed psychological thinking and shaped an entire scie

The Second Crusade (1145-1149) was an extraordinarily bold attempt to overcome unbelievers on no less than three fronts. Crusader armies set out to defeat Musli