What can we still learn from C.S. Lewis? Find out in these 12 insightful lectures that cover the author's spiritual autobiography, novels, and his scholarly writings that reflect on pain and grief, love and friendship, prophecy and miracles, and education and mythology.

The power of an effective speech is undeniable. It has the capacity to engage, inform, motivate, and create change in an audience - and in the world. In this compelling 24-lesson course, How to Speak Effectively in Any Setting, taught by Molly Bishop Shadel, Professor of Law at the University of Virginia School of Law, learn the fine art of speaking clearly, effectively, and persuasively in contexts across the spectrum, from the board room to the bar room and everywhere in between.

Grammar! For many of us, the word triggers memories of finger-wagging schoolteachers, and of wrestling with the ambiguous and complicated rules of using formal language. But what is grammar? In fact, it's the integral basis of how we speak and write. As such, a refined awareness of grammar opens a world of possibilities for both your pleasure in the English language and your skill in using it, in both speech and the written word.

Language defines us as a species, placing humans head and shoulders above even the most proficient animal communicators. But it also beguiles us with its endless mysteries, allowing us to ponder why different languages emerged, why there isn't simply a single language, how languages change over time and whether that's good or bad, and how languages die out and become extinct.

What is our species' greatest invention? Medicine, computers, space travel? Not even close. The innovation that underlies each of our past achievements and those we still aspire to is language. Language is the ultimate invention of Homo sapiens - one that has allowed us to change the physical and social world around us in every conceivable way, and an invention that has fundamentally changed us, as well.

E. H. Gombrich's world history, an international best seller now available in English for the first time, is a text dominated not by dates and facts but by the sweep of experience across the centuries, a guide to humanity's achievements, and an acute witness to its frailties.

No skill is more important in today's world than being able to think about, understand, and act on information in an effective and responsible way. What's more, at no point in human history have we had access to so much information, with such relative ease, as we do in the 21st century. But because misinformation out there has increased as well, critical thinking is more important than ever. These 24 rewarding lectures equip you with the knowledge and techniques you need to become a savvier, sharper critical thinker in your professional and personal life.

Noted Japan expert Professor Mark J. Ravina of the University of Texas at Austin covers the politics, economics, and culture of the island nation since World War II - a conflict that saw the end of Japan’s dream of regional conquest, which Professor Ravina calls Empire 1.0. The country’s postwar leaders radically changed course, renouncing a strong military to pursue Empire 2.0 - Japan as an economic colossus.

Chemistry and Our Universe: How It All Works is your in-depth introduction to this vital field, taught through 60 engaging half-hour lectures that are suitable for any background or none at all. Covering a year’s worth of introductory general chemistry at the college level, plus intriguing topics that are rarely discussed in the classroom, this amazingly comprehensive course requires nothing more advanced than high-school math. Your guide is Professor Ron B. Davis, Jr., a research chemist and award-winning teacher at Georgetown University.

Bringing together the imaginative strategies of fiction storytelling and new ways of narrating true, real-life events, creative nonfiction is the fastest-growing part of the creative writing world. It's a cutting-edge genre that's reshaping how we write (and read) everything from biographies and memoirs to blogs and public speaking scripts to personal essays and magazine articles.

Between 1861 and 1865, the clash of the greatest armies the Western hemisphere had ever seen turned small towns, little-known streams, and obscure meadows in the American countryside into names we will always remember. In those great battles, those streams ran red with blood-and the United States was truly born.

"It doesn't take an Einstein to understand modern physics," says Professor Wolfson at the outset of these 24 lectures on what may be the most important subjects in the universe: relativity and quantum physics. Both have reputations for complexity. But the basic ideas behind them are, in fact, simple and comprehensible by anyone. These dynamic and illuminating lectures begin with a brief overview of theories of physical reality starting with Aristotle and culminating in Newtonian or "classical" physics.

Get a time-travelling tour of world history with these 30 brilliant lectures that cover the full story of human civilization, analyzing geography, technology, economies, social institutions, and cultural achievements. Every lecture is delivered in special period characters often invented to illustrate the life of their times. Professor Thompson speaks and acts like them. He actually becomes them! He's such an entertaining presenter that you’ll learn without knowing it.

Eight-year-old orphan Beth Harmon is quiet, sullen, and by all appearances unremarkable. That is, until she plays her first game of chess. Her senses grow sharper, her thinking clearer, and for the first time in her life she feels herself fully in control. By the age of 16, she's competing for the US Open championship. But as Beth hones her skills on the professional circuit, the stakes get higher, her isolation grows more frightening, and the thought of escape becomes all the more tempting.