Also designated on cover as 80 Page Giant (DC, 1964 series) #G49 and as G-49 on indicia page.
On-sale date from copyright registration.
Probable layout by Carmine Infantino
Inside front cover.
Inker credit per Mooney in article in Alter Ego #133 (June 2015); we previously credited Mooney. Letters credit from Martin O'Hearn and Joe Desris.
Script credit from Martin O'Hearn; pencils credit verified by Sprang; inks credit verified by Paris; letters credit from O'Hearn and Joe Desris.
two page spread of Batcave followed by two pages of Bat-gadget illos
Pencils credit verified by Sprang; inks credit verified by Paris.
Inks credit verified by Paris.
Script credit by Martin O'Hearn and ink credit verified by Charles Paris.