It appears that there are few objective evaluations from persons who are engaged in the publication of books practically, though technical literatures from all angles are available concerning the evaluation of quality of printed matters.
In this report, some considerations are given on 1) reproduction of halftone dots, 2) gloss and 3) whiteness, all of which were pointed out as parts of important quality of printed matters by persons of leading publishing companies (8 companies).
Particularly, the relationship between gloss and density that is controlled ordinarily in printing operation is analyzed on the concrete data.
