Christopher-John is a character from the novel "Roll of Thunder, Hear My Cry" by Mildred D. Taylor. He is the younger brother of the main character, Cassie Logan, and is known for his playful and innocent nature. Christopher-John often provides comic relief in the story, showcasing the bond between siblings in a challenging environment. Set in the 1930s in the American South, the novel addresses themes of racism and family. Christopher-John's experiences reflect the struggles faced by the Logan family as they navigate their lives in a segregated society. His character adds depth to the family's story and highlights the importance of unity and resilience.