June 21st Father's Day! All the best gift ideas.  Shop NowJune 21st Father's Day! All the best gift ideas.  Shop Now
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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.

“A plausible, powerful vision of ingenuity and daring in action.” ―Publishers Weekly

When Pa falls ill, it’s up to his son to help others along the journey―and also lead his family’s escape.

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 rhythm―a message to travelers ...