\version "2.19.45"
\include "composition-1.ily"
\include "composition-2.ily"

\book {
  \header {
    composer = "John Doe"
    pdfauthor = "John Doe"
    title = "John Doe Anthology"
  }
  \bookpart {
    \header {
      title = "Composition 1"
      composer = "John Doe"
    }
    \compositionOneScore
  }
  \bookpart {
    \header {
      title = "Composition 2"
      composer = "John Doe"
    }
    \compositionTwoScore
  }
}