The issues consist of black & white interior pages with full-color covers that become the series published format for almost the entire next decade.
Although the published version of the book has purple-pink covers, the interior pages are printed using only black, white, and shades of gray.
Thus the phrase "one shot" which was used in the publisher's code in the first interior page of the first story.
A bound book, with the interior pages blank, so that one may-may make notations.
The interior pages will be printed in black ink, on 90 gsm matte art paper.
Instead the outer cover can be removed and only interior pages need be cut.
For some publications, the cover date may not actually be found on the cover, but rather on an inside jacket or on an interior page.
The edges of the stiff, unflexible board cover extended 1/8" past the trim of the interior pages.
Their editor liked it and allowed them to try it on the interior pages.
The paperboard is printed and used for both the cover and the interior pages.