"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.