In This Historical Fiction Novel For Middle Grades Readers Cassie Risks Her Hard-Won Freedom From Slavery In Order To Rescue The Infant Son She Left Behind On A Kentucky Plantation. On Her Side Are A Savvy Black Abolitionist Network Levi Coffin And Other Quakers Of The Underground Railroad Plus Her Courageous Friend Luke. The Plot Twists And Turns In This Sequel To Luke'S Summer Secret.