educational significance
contribution the subject matter makes to the curriculum and to the interests of the students
favorable reviews found in standard selection sources
favorable recommendations based on preview and examination of materials by professional personnel
reputation and significance of the author, producer, and published
validity, currency, and appropriateness of material*
contribution the material makes to breadth of representative viewpoints on controversial issues
high degree of potential user appeal
high artistic quality and/or literary style
quality and variety of format
value commensurate with cost and/or need
timeliness or permanence
integrity