Book excerpt: From the bestselling author of the generation-defining series The Baby-sitters Club comes a series for a new generation! When live gives you lemons...Karen sets up a lemonade stand in front of her house. But she has only a few customers. So Karen sells lemonade at a Krushers practice. Now business is booming. Karen is spending more time selling lemonade and less time playing softball. Kristy is mad at Karen. Uh-oh. Can Karen play softball and sell lemonade?