The 70 page concertina sketchbook closed after finishing one side (35 pages)
Book flipped over with 35 more clean white pages to work in.
First 8 page spread with first layer of marks using 7 different materials
Spread finished using about 10 more products
click on link
first layer on second 8 page spread
Click on link at the bottom for a view of the entire first layer
Instead of washing all the unused paint away, I applied it to newspaper and an open spread in my daily sketchbook