Untitled (front endpaper, left page); Untitled (Piene signature, right page)

Colored marker, paper, and adhesive on paper

Graphite on paper

Black and blue marker on paper

Black crayon on paper

Graphite on paper

Charcoal on tan wove paper

Colored marker on paper

Black and colored crayons on paper

Black marker on paper

Oil on paper

Colored crayons on paper

Charcoal on paper