. . . there is credible content that includes scales of measurement, e.g., the Saffir-Simpson Hurricane Scale, the Fujita Scale, the Richter Scale, etc., as well as interesting “Xtreme Fact” text boxes, which are scattered throughout the volumes. Accounts of historical occurrences-such as the recent earthquake in Japan, a tsunami in Chile, and floods in North Dakota-are given. Each book includes survival tips. The content is wide-ranging. . . .