Art credits from index of original printing, which were confirmed from Julius Schwartz's editorial records provided by DC Comics.
The credits in this reprint say "ART: ROSS ANDRU" with no mention of Mike Esposito.
Recap of Trigger Twins and Pow-Wow Smith strips. Although the indicia indicates a "bi-monthly" frequency, this half-page says that "due to scheduling changes, it is only planned as a one-shot (unless it sells very well, in which case a comeback is possible)."