In the sixth book in the New York Times-bestselling chapter book series about the childhood of America's favorite housekeeper, Amelia Bedelia and her friends clean up a vacant lot in their neighborhood and build a clubhouse for explorers. Short, fast-paced chapters, tons of friends and funny situations, and black-and-white illustrations on every page make the Amelia Bedelia chapter books an ideal choice for readers of the Ivy + Bean, Magic Tree House, and Judy Moody books. Includes a guide to idioms used in the book. The Amelia Bedelia books have sold more than 35 million copies.