"Sullivanesque" offers a visual and historical tour of a unique but often overlooked facet of modern American architecture derived from Louis Sullivan. Highly regarded in architecture for inspiring the Chicago School and the Prairie School, Sullivan was an unwilling instigator of the method of facade composition--later influenced by Frank Lloyd Wright, William Gray Purcell, and George G. Elmslie--that came to be known as Sullivanesque. Decorative enhancements with botanical and animal themes, Sullivan's distinctive ornamentation mitigated the hard geometries of the large buildings he...