\startchapter [title={Mill}] [image=mill]
\dorecurse{71}{\samplefile{lorem}}
\stopchapter
\startchapter [title={Mill}] [image=mill]
\dorecurse{112}{\samplefile{lorem}}
\stopchapter
\startchapter [title={Mill}] [image=mill]
\dorecurse{71}{\samplefile{lorem}}
\stopchapter