On-sale date from copyright registration.
Though the original indexer stated that the cover does not appear to be Jim Mooney, as credited elsewhere, Ted Watson asserts, "Take a good look at Batwoman and compare her to Supergirl figures drawn by Mooney in her series in Action Comics, the hair, other than color, in particular but by no means exclusively. He had something to do with this." Mike Tiefenbacher, however, argued that this cover was indeed done by Dillin: "He had done nearly 100 non-Blackhawk DC covers for Jack Schiff during this period."
Writer credit from Martin O'Hearn at http://martinohearn.blogspot.com/.
The creator of the android super-character has the same name as the creator of the original Human Torch.
writer credit by Bob Hughes
On the page immediately following page 8 of the previous story sequence.
On the page immediately preceding page 9 of the previous story sequence.