17 SILVER AGE DC JUSTICE LEAGUE OF AMERICA COMIC BOOKS: 17 volumes total, Justice League of America, to include 17 (Tornado Tyrant appearance), 19 (JLA Secret identity revealed), 20 (First Spaceman X appearance), 21 (Crisis on Earth-One, JLA & JSA team up), 26, 27 (First appearance of ''I''), 28 (First appearance of Headmaster Mind), 32 (First appearance Brain Storm), 34, 36, 37 (First Silver Age Johnny Thunder, First Appearance of the Lawless League: The Atom (Barney Judson), Batman (Bill Gore), The Flash (Race Morrison), Green Lantern (Monk Loomis), Martian Manhunter (Eddie Orson), Superman (Ripper Jones)), 42, 43 (First appearance Royal Flush Gang), 48 (Giant), 53, 86. Ungraded, all intact.