"supplementary reading" — Collocation dictionary inglés

supplementary reading collocation
Automatic translation (We do not guarantee its correctness): szkolna lektura uzupełniająca
  1. supplementary adjetivo + reading sustantivo
    Very loose collocation

    His book, "Potential Murderers," which dealt with the type of persons who, given motive and opportunity, commit murder, was supplementary reading in police schools.