Book excerpt: Sierra learns to balance all of her responsibilities in this sixth delicious book in the Sprinkle Sundays series from the author of the Cupcake Diaries series! Sierra thinks she has everything under control—she loves staying busy. But between working in the ice cream shop, after-school sports, and now being asked to be the lead singer in a band—has Sierra taken on more than she can handle? What’s a girl who wants to have it all to do?