Looking for inspiration to help get you through turbulent markets and weak revenue in the coming weeks? Here are nine recently released books that offer recession-worthy insights on management, sales and marketing. Engaged! How Leaders Build Organizations Where Employees Love to Come to Work (Bentley Press 2009) by Peter Barron Stark and Jane Flaherty. This book offers real-world examples of how major companies such as Campbell Soup ( CPB), Farmers Insurance and Sony ( SNE) improve executives' management skills and get the most out of employees. The New Language of Marketing 2.0: How to Use ANGELS to Energize Your Market (IBM Press 2008) by Sandy Carter. This book was written by a star marketer from IBM ( IBM) who discusses ways to use social networks, wikis and other interactive tools to draw more customers. Unlocking Opportunities for Growth (Wharton School Publishing 2008) by Alexander B. van Putten and Ian C. Macmillan. One of the hardest things to do is evaluate new opportunities. These professors from the University of Pennsylvania's Wharton School provide an uncomplicated approach to analyzing the potential success of new ideas. People Are Idiots And I Can Prove It! (Gotham 2008) by Larry Winget. This book was written by a top motivational speaker who has a knack for observing people. He discusses the ways people underestimate their potential, and how they can avoid mistakes and improve their lives. Inside Rupert's Brain (Portfolio Hardcover 2009) by Paul R. La Monica. Rupert Murdoch is one of the most successful business leaders of the past century. He has built News Corp. ( NWSA) into a global media powerhouse. This book gives readers a look into the mind of a long-term thinker who has survived many bad business cycles.