Product Description Mrs. Madoff's class is counting pennies -- one for every day of school. When they get to 10 pennies, they know they've been going to school for 10 days. What will happen when they get to 100? How will they celebrate Day 100, and what will they do with their 100 pennies? About the Author Anne Rockwell is a pioneer in the field of nonfiction for very young children. She has more than a hundred books to her credit, including Why Are the Ice Caps Melting? and Clouds in the Letâs-Read-and-Find-Out Science series. She lives in Greenwich, Connecticut. Anne and Lizzy Rockwell have collaborated on all the Mrs. Madoff books, including St. Patrick's Day and Presidents' Day, and Who Lives in an Alligator Hole? in the Let's-Read-and-Find-Out Science series. Anne is the author of What's So Bad About Gasoline?; Brendan and Belinda and the Slam Dunk!; Why Are the Ice Caps Melting?; and Only Passing Through: The Story of Sojourner Truth. Lizzy is the author-illustrator of Good Enough to Eat; The Busy Body Book; and Hello Baby! Both Anne and Lizzy live in Connecticut.