Presents biographical information, an interpretative study, and a catalogue raisonné of the watercolors of the German artist August Macke (1887-1914). The catalogue, preceeded by 126 colored illustrations of Macke's work, includes 569 watercolors and gouaches, almost all of which are accompanied by black and white illustrations. The catalogue is followed by a concordance relating Macke's works listed in Vriesen (1957) with those listed by Heiderich (1987, 1993), an apppendix to the author's catalogue raisonné of Macke's drawings (1993), and extensive bibliographical references and indexes.