The provided information does not describe a vehicle, device, or machine. It describes a book titled "The Pattern of Her Heart" by Tracie Peterson and Judith Miller. The book appears to be a historical fiction novel set in the American South, likely during the antebellum period, focusing on the complex themes of slavery, family, and societal pressures.

The book's description suggests that the protagonist, Jasmine Houston, finds herself in a challenging situation. She is tasked with taking over a plantation and must navigate the intricate web of relationships and power dynamics that surround it. The book likely explores the moral dilemmas and ethical complexities that Jasmine faces as she strives to protect the lives of the enslaved people under her care while also dealing with the social and economic constraints of the time. The book promises a captivating narrative that delves into the tumultuous period of American history, highlighting the human cost of slavery and the resilience of individuals in the face of adversity.