opuscule

/oʊˈpʌskjul/
noun
  1. A small or minor work of art, literature, or music, often of lesser importance.
    • The author's first novel was an opuscule, but it showed great promise.
    • The composer's opuscule for piano was performed at the small recital.
    • He spent years writing an opuscule on the history of paperclips.
Synonyms
What does "opuscule" mean? | whatsthatwordmean | whatsthatwordmean