For more than 60 years, there have been 50 states in the United States of America, and 50 stars on the American flag, but it wasn't always that way. The United States started with only 13 states. Young readers will learn about how America grew from 13 to 50 states in the nearly 250 years since the country's founding. This book answers questions about the process of adding new states and how a territory can apply to be a state. Cool facts about some of the more recently added states will intrigue readers.