Smarter in sixty minutes. Get smarter in just 60 minutes with in60Learning. Concise and elegantly written non-fiction books and audiobooks help you learn the core subject matter in 20% of the time that it takes to read a typical book. Life is short, so explore a multitude of fascinating historical, biographical, scientific, political, and financial topics in only an hour each. The Roman Empire crumbled, and nothing could replace it. People groups shifted all over the continent: the Byzantines came after the Visigoths, the Saxons clashed with the Celts, and the Vikings pillaged everyone. Eventually, feudalism emerged and brought with it knights in shining armor and long lines of monarchs. We entered a time of crusades, warfare, famine, and plague that killed mercilessly. Civilization was finding itself, stumbling through history to establish economies, art, educational systems, and religions which collectively comprise man's cultural inheritance-times were dark, but they brought humanity a bright future.