Description Mari Copeny, also known as Little Miss Flint, was just 8 years old when she used her voice to achieve change for people in need. She wrote a letter to President Obama explaining the water crisis facing the people of Flint, Michigan. Many other youthful activists like Copeny are using their voices to seek change in other areas, such as fighting global warming, racial inequalities, immigration issues, and much more. The text in this guide was expertly crafted to teach young readers about topics facing them today and encourages them to use their voices to achieve social justice, just like Little Miss Flint!