This two-part volume offers an innovative analysis and interpretation of Brunelleschi's masterpiece. Part One, which is richly illustrated with iconographic material, traces the design and construction phases of this magnificent building and explores its impact on figurative and literary culture down the ages. With the aid of original charts and diagrams, Part Two provides a thorough analysis of the structure, construction and static equilibrium of the Cupola, including a description and assessment of the current state of the cracks. This provides a solid basis for predicting the likely future behaviour of the monument and for suggesting possible conservation measures.