4to (302 x 215 mm). Photogravure frontispiece of Coonley House in River Forest, Illinois, two illustrated plates of Unity Temple, numerous black and white photographic illustrations and floorplans; text in German. (Lacking printed "Frank Lloyd Wright, a Study and an Appreciation" by C. R. Ashbee, some minor staining.) Original drab wrappers (spine perished, becoming disbound). 

Small format edition, often referred to as the "Little Wasmuth," published after the Wasmuth portfolios of 1910-1911, whose photographic illustrations were originally intended to accompany the Wasmuth portfolio.