The one-volume Propædia is the first of three parts of the 15th edition of Encyclopædia Britannica, the other two being the 12-volume Micropædia and the 17-volume Macropædia. The Propædia is intended as a topical organization of the...
Climb inside the mysterious tombs of the Ancient Egyptians and discover what the Mayans sacrificed on their alters inside the chambers of the oldest buildings in the world.
Offering a unique introduction to nature through powerful visuals, the Eye...