Línea y la mancha en el dibujo
by Gabriel Martín i Roig · 2005

Teaches beginning art students how to use lines and shading correctly when drawing. Includes exercises, analysis, and sketchbook.
Shades and shadows in artTechniqueDrawing
by Gabriel Martín i Roig · 2005

Teaches beginning art students how to use lines and shading correctly when drawing. Includes exercises, analysis, and sketchbook.