The book is a unique manual by František Drtikol outlining his photographic philosophy, penned in the early 1930s. It provides insight into the era when Drtikol conducted modern photography courses in his studio. The text clearly expresses his ideas, complemented by 40 photographs printed using a distinctive Offlith technique. This combination of visual and written content reflects Drtikol's approach to teaching and showcases his contributions to the field of photography during a transformative period. The book offers a valuable understanding of Drtikol's methods and the evolution of modern photography practices.