Mind-stretching activities correlate with the social studies curriculum. The book contains 33 topics, each with background information and writing activities. Among the topics are Civilization, 7 Wonders of World, Hieroglyphics, Minoans, Hammurabi, Delphi, Pythagoras, Socrates, Olympics, Hippocrates, Meals in Ancient Rome, Mythology, Early Domestication of Animals, Clothing, Ghana, Globes & Maps, Exploration, Native Americans, Potlatch, Mayflower Compact, Lewis & Clark, Erie Canal, Manifest Destiny, Trails West, Cowboys, Civil War, Deciduous Forests, Rainforests, Landmarks, State Profile, How Bill Becomes Law, and Conservation. Grades 3 to 6.