Girls mean business in the third novel of this series about friendship and entrepreneurship that Katherine Applegate, Newbery Medal-winning author of The One and Only Ivan, calls "A great read!" Tips for kids starting or running their first businesses and a profile of a real-life tween CEO are included in the back of the book. Updated and expanded edition includes business plan template to help create your own business! All four friends in the Startup Squad want to raise money―but when they can't agree on what business to start next, they strike off on their own. Didi's idea seems perfect: making place cards for a wedding. But after the wedding planner gets sick, Didi finds herself in charge of everything―and then the caterer cancels and the band goes missing! Didi's business is turning from a dream to a disaster. Will the Startup Squad come together in time to save the wedding?