"1836, Wisconsin. Catalina lives with her pa and brother in a ramshackle cabin on the edge of the wilderness. Harsh winters have brought the family to the brink of starvation, and Catalina has replaced her poet's soul with an unyielding determination to keep Pa and her brother alive. When a sudden illness claims Pa, a strange man appears—a man covered in bark, leaves growing from his head, and sap dripping from his eyes. He scoops up her brother and disappears, leaving behind a bird with crimson wings. Catalina can’t let this man—if that’s what he is—have her brother. So, she grabs Pa’s knife and follows the bird. Along the way, she finds help from a young lumberjack, who has his own reasons for hunting the Man of Sap. As their journey takes them deeper into the woods, they encounter strange beasts and tormented spirits. The more they uncover about the Man of Sap, the more they learn how deeply Catalina’s fate is entwined with his, planted long ago in cursed seeds."-- Provided by publisher.