Untitled (notes on planets and bleed-through of previous page, left page); Untitled (calculations on back endpaper, right page)

Watercolor on off-white wove paper

Black and red marker on paper

Graphite on off-white wove paper

Black marker on paper

Black ink and opaque watercolor on paper

Black marker on paper

Colored marker on paper

Colored crayons on paper

Brown ink and brown wash, over black chalk on cream antique laid paper

Ink on paper

Ink on paper

Graphite, touches of red and white chalk, tan antique laid paper, framing lines in brown ink