Letters credit from Todd Klein via his Klein Letters blog (18 September 2016, http://kleinletters.com/Blog/ira-schnapp-in-worlds-finest-comics-part-1/).
Printed in black-and-white on inside front cover. Character and synopsis information on this sequence from Donald Dale Milne.
On the page between page 5 and page 6 of the previous story sequence.
First letters page in this title with letters from Paul Gambaccini (active in comic fandom), Raymond Hix, James Zielinski, Philip Matera.
Top tier of original page 5 removed.