Imagery plays a crucial role in children's literature by painting vivid pictures in the readers' minds. It involves the use of descriptive language that appeals to the senses—sight, sound, touch, taste, and smell. By engaging children through imagery, authors can create immersive worlds, making stories more relatable and memorable. Well-crafted imagery not only enhances the reading experience but also helps young readers improve their imagination and comprehension skills, allowing them to visualize the narrative as they read.