Author of the wildly famous, Managing for Dummies, Peter Economy takes a look back at his hit book and compares lessons with his newest book: Wait I’m the Boss?!? about what it takes to be an effective manager. Most of the key ingredients, building trust, empowering teams and knowing how to communicate, haven't changed, he says. Find out what it takes to be an excellent new manager and what habits old managers should shed.

For more happiness, visit www.management30.com.