The Art of Profitability is a great read for individuals seeking to improve their understanding of business profitability. It presents 23 different business models in a concise and challenging format, with each chapter featuring a dialogue between a young protégé and a teacher called David Zhao. Through this conversation, readers gain insights into the invisible principles that allow businesses to thrive even in tough economic times. The book provides specific actions that organizations can take to improve their bottom line within 90 days, making it an invaluable resource for CEOs, entrepreneurs and business owners seeking to grow their businesses.