Untitled (sketch by artist's daughter, left page); Untitled (bleed-through, right page)

Watercolor and black chalk

Black marker on paper

Colored crayons on paper

Graphite on paper

Graphite on cardboard

Ink on paper

Black crayon on paper

Graphite and blue crayon on paper

Colored marker on paper

Watercolor on Asian paper

Colored marker on paper

Black marker on paper