This issue has variants.
Howard Bender confirmed his pencils and Pablo Marcos inks on the border artwork. Bender also confirmed all the characters drawn in the border represented all the heroes that appeared in Adventure Comics from the earlier issue until then end of the run (Posted on his Facebook page, 21 June 2017).
Inside front cover. Table of contents.
Inside back cover. Comments about the stories in the issue.
Back cover. Many tiny characters in illustration surrounding a box with promos for the stories in the issue. Characters are those which have appeared in Adventure Comics over the years.