A Practical Treatise of Perspective by Edward Edwards is a comprehensive guide to the principles of perspective in art. The book explains terms like vanishing points and lines emphasizing geometry and architecture's role in art perspective. It covers drawing architectural elements proportions and techniques for accurate representations. The text discusses applying perspective in landscape painting sculpture and architecture stressing the importance of accuracy and proportion. Overall it serves as a detailed guide for artists to create visually appealing compositions through a deep understanding of perspective.