Do you know when the Liberty Bell was rung for the last time? Or why it has a huge crack? Join Mr. Chen's class as they take a field trip to find out the facts about this important US symbol. Ranger Marcela explains who made the Liberty Bell, what words appear on it, and how it got its name.
Martha E. H. Rustad is the author of more than two hundred nonfiction children's books, on topics ranging from snowflakes to termites to the Statue of Liberty. She lives with her family in Brainerd, Minnesota.