Story across 24 pages in three parts of 11.67 pages, 3.67 pages, and 7.67 pages.
This story sows the seeds that evolve into the Crisis on Infinite Earths. First team-up with the Earth-2 Green Lantern.
On the page immediately following the previous two sequences.
Letters from readers - Mike Flesher, Donald D. Ensign and Alan Busby - and responses from Julius Schwartz.
On the page between page 12 and page 13 of the main story sequence.