Given novel infectious diseases such as COVID-19 and antibiotic resistance new antimicrobial discovery is an important research area. Considering that nature is a vast source of bioactive molecules with antimicrobial activity, the main aim of this book is to present a comprehensive outlook of current research in the field of natural antimicrobials. It discusses the antimicrobial activity of medicinal plants, beehives, and mushrooms with a global coverage of antimicrobial agents from rich forests of Brazil (Amazon), North-Eastern forests of Peru, Argentina, Colombia, India, Bangladesh, Nepal,...