When something really matters, one voice can make a difference. This spirited, vibrant picture book celebrates diversity and encourages kids to speak up, unite with others, and take action when they see something that needs to be fixed. Join a diverse group of kids on a busy school day as they discover so many different ways to speak up and make their voices heard! From shouting out gratitude for a special treat to challenging a rule that isn't fair, these young students show that simple, everyday actions can help people and make the world a better place.