"Here, at last, is the antidote to the internet: an expertly written and beautifully presented reference for a world overloaded with unreliable information. From quantum physics to the square of the hypotenuse, Ancient Rome to the depths of the oceans, this is your one-stop shop for the digital age--clear, simple, accurate, and unbiased. For family, for study, for simple pleasure of discovery."--Back cover.

Includes index.

The solar system -- Stars -- Galaxies -- The universe -- Exploring space -- The constellations -- Earth's anatomy -- Geology -- Oceanography --Hydrology -- Meteorology -- Ecology -- Prehistoric life -- Plants and fungi -- Animals -- Classification -- Math -- Physics -- Chemistry -- Biology -- Human body -- Medicine -- Technology and engineering -- Transportation -- Before human history -- The prehistoric world (to 3000 BCE) -- The ancient world (3000 BCE-600 CE) -- The middle ages and beyond (600-1750) -- The modern world (1750 onward) -- Religion -- Philosophy -- Mythology -- Politics -- Economics -- Sociology -- Music -- Dance -- Film -- Theater -- Literature -- Painting -- Sculpture -- Architecture -- Fashion -- Writing -- Sports -- Crafts and skills.