The promise of America is that the country is based on an idea, one where everyone is created equal and equally free to chart their own course. From 13 newly independent states ratifying a national constitution to the heated debates in the halls of Congress today, American politics is about negotiation over what our country is—and where we are going.

Railways are one of the most important inventions in modern history. From the 1825 opening of the Stockton and Darlington Railway in England, trains revolutionized both travel and trade and radically changed the way we experience the world. In the 24 richly illustrated lectures of How Railways Transformed the World, you’ll experience the amazing world and impact of railways, from the early 19th century to today’s futuristic trains, including extensive material on the pleasure and appeal of rail travel today.

Sales is not about being pushy, aggressive, or unethical. In fact, you might be surprised to learn that “sales” is about nurturing, solving problems, helping, and building relationships. When you learn the right strategies to sell something, you’ll make your own life better because we are all constantly selling—whether it’s getting a promotion, working on a team project, or even just selecting the restaurant of your choice with friends.

In London in the Time of Dickens, you’ll get the unique opportunity to experience the British capital through the eyes of a literary master whose work is inextricably tied to the city and its rich history. Throughout 12 lectures taught by Professor Lillian Nayder of Bates College, you’ll tour the city of London in a time of rapid transformation through the life and work of Charles Dickens, uncovering the history of the metropolis, while also witnessing the everyday experiences of Londoners from all walks of life as Dickens represents them.

In The Culture of Knighthood and Medieval Romance, join scholar of medieval literature Larissa Tracy for a fascinating dive into the deeper context of narratives about knights and their world. Her Audible Original takes you through the evolution of knighthood and courtly literature, dispelling prevalent myths about chivalry and romance with an eye to revealing just how textured and complex these ideas actually were.