"If I Built a House" is a children's book by Chris Van Dusen that explores the imaginative ideas of a young boy who dreams of designing his own home. The story takes readers on a journey through his creative vision, showcasing unique features like a slide, a treehouse, and even a pool. The illustrations in the book are vibrant and engaging, bringing the boy's ideas to life. Each page reveals different aspects of the house, encouraging readers to think about their own dream homes and the possibilities of creativity in architecture.