Blacksmith's SongBy: Elizabeth Van Steenwyk Illustrator: Anna Rich The son of an enslaved blacksmith learns that his father is using the rhythm of his hammering to communicate with travelers on the Underground Railroad. When Pa falls ill, it's up to his son to help others along the journeyand also lead his family to freedom. Pa works hard as a blacksmith. But he's got another important job to do as well: using his anvil to pound out the traveling rhythma message to