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.

Whether you're dealing with a problem employee or praising the good work of a colleague, you need to communicate in a way that promotes positive change in others. Giving Effective Feedback quickly walks you through the basics of delivering feedback that gets results.

This audiobook is designed to help you improve your public speaking and presentation skills, whether you're a beginner or a seasoned pro.

The critical leadership practices - the ones that will allow a leader to make the biggest impact over time - are well established. They're about how you create a vision and inspire others to follow it. In this comprehensive handbook, strategy and change experts Ron Ashkenas and Brook Manville distill proven ideas and frameworks about leadership from Harvard Business Review, interviews with senior executives, and their own experience in the field - all to help rising leaders stand out and have a big impact.

During his long business career, Donald Trump has known astonishing highs and lows. In Never Give Up, the world's most famous businessman talks candidly about his own biggest challenges, lowest moments, and toughest fights - and how he turned those setbacks into new successes.