"As Sure as the Sun" is a children's book written by G. Brian Karas. It tells the story of a young girl who learns about the changing seasons and the natural world around her. Through simple, engaging illustrations and text, the book conveys themes of growth, change, and the cyclical nature of life. The narrative emphasizes the certainty of the sun rising each day, symbolizing hope and renewal. It encourages young readers to appreciate the beauty of nature and the passage of time, making it a delightful read for children and parents alike.