Untitled (bleed-through of previous page, left page); Untitled (design for "water cube," right page)

Watercolor and gouache on purple card, faded to cream

Black ink on off-white wove paper

Graphite on off-white wove paper

Crayon on paper

Black marker on paper

Graphite on blue-flecked gray laid paper

Black ink on cream wove paper

Crayon on paper

Ink on paper

Black and red marker on paper

Graphite on cream modern laid paper

Blue pen on paper