Interior Design in children's books refers to the thoughtful arrangement and decoration of spaces depicted within the illustrations. It plays a crucial role in creating an immersive environment for young readers, where the layout, color schemes, and decorative elements relate closely to the book's theme and characters. Effective interior design captures the imagination of children, highlighting the emotions, atmosphere, and nuances of the story. Whether it's a cozy cottage or a whimsical castle, each detail is intentionally crafted to enhance the narrative experience.