Maggie returns to protect Britain's beloved royals against an international plot--one that could change the course of history. As World War II sweeps the continent and England steels itself against German attack, Maggie Hope, former secretary to Prime Minister Winston Churchill, completes her training to become a spy for MI-5. Spirited, strong-willed, and possessing one of the sharpest minds in government for mathematics and code-breaking, she fully...

Investigate the agricultural methods, based in cultivating maize and other staple crops, that supported highly populated, advanced civilizations in the Americas. Discover the culture, artifacts, and monumental architecture of the Maya in Mexico and the Chimu in Peru. Learn also about the innovative, large-population cultures that thrived in the Amazon rainforest.

"For readers of Hidden Figures and Something Wonderful, Footnotes is the story of New York in the roaring twenties and the first Broadway show with an all-Black cast and creative team to achieve success-and its impact on our popular culture. Amidst a culture actively whitewashing, controlling, or trying to prevent their stories from being told, these artists changed the course of American entertainment. This groundbreaking group of performers and...

An ancient Greek faced death head on. You would die in the home, surrounded by family, and afterward women would tend to your body and sing dirges in your honor. Your corpse would be tainted with miasma - pollution - and would be buried outside the city. Meanwhile, your spirit would be carried across the River Styx to Hades, where life among the shades of the dead awaited you.

The Amazon River collects rainfall from a huge region, called the Amazon basin. Trace the basin's extensive network of tributaries, which produce 20% of the fresh water that flows into the ocean. Furthermore, the basin's lush vegetation is responsible for 20% of all oxygen in the atmosphere.

NEW YORK TIMES BESTSELLER • From the bestselling author of V2 and Fatherland—a WWII-era spy thriller set against the backdrop of the fateful Munich Conference of September 1938. Now a Netflix film starring Jeremy Irons.
With this electrifying novel about treason and conscience, loyalty and betrayal, "Harris has brought history to life with exceptional skill" (The Washington Post).
Hugh Legat...

Explore cybernetics, systems that use information and feedback to control an output that has some type of goal, with feedback present. Discover the various parts of several cybernetic systems: your car's cruise control, an implantable insulin delivery pump, and a vending machine-three completely different control systems that all function with the same principles of cybernetics.

Turn to non-foliated metamorphic rocks, those without a distinctive mineral orientation. Investigate the different geologic conditions that create such rocks. Then survey a wide selection, spotlighting their beauty (marble), utility (soapstone), durability (quartzite), and economic value (banded iron formations). Professor Cotter discusses a few of his favorite metamorphic sites.

After the Second World War, the nature of war-not only where, but how it is fought-changed dramatically. In this inaugural episode, begin to explore the transformation of violent conflicts between major world powers by delving into a particularly recent example: America's 20-year war in Afghanistan.

How do historians create their histories? What role do the historian's viewpoint and method play in what we accept as truth? Answer these and other questions as you go inside the minds of our greatest historians and explore the idea of written history as it has shaped humanity's story over 2,000 years. These 24 intriguing lectures introduce you to the seminal thinking of historians such as: Herodotus, considered by many the first history writer,

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