"Sulwe" is a children's book written by Lupita Nyong'o and illustrated by Vashti Harrison. It tells the story of a young girl named Sulwe, who has darker skin than her family and peers. Struggling with her self-image, she embarks on a magical journey that helps her understand the beauty of her unique skin tone. The book addresses themes of self-acceptance and the importance of inner beauty. Through Sulwe's adventure, readers learn about the significance of embracing one's identity and the value of diversity. "Sulwe" encourages children to celebrate their differences and fosters a positive self-image.