Beautiful cover by Carmine Infantino and Sid Greene, featuring a fairly pissed-off looking JLA. Doesn't DC pay the JLA reprint fees?
The stories: "World of No Return!" (JLA #1), "Wheel of Misfortune!"(JLA #6), and "For Sale--The Justice League!"(JLA #8) by Gardner Fox, Mike Sekowsky, and Bernard Sachs.
Roll Call: Superman, Batman, Wonder Woman, Aquaman, Flash, Green Lantern, Martian Manhunter, Green Arrow
Notable Moments: These 80-Page Giants are so much darn fun, not to mention a real value, then and now. For a 1967 quarter you got three whole comics, and even nowadays I find these issues (relatively) cheap to get because they're all-reprint. If I ever want to re-read JLA #1, I read it here instead of risking my already-fragile original copy.
I could be wrong, but I believe this is the first time the JLA is referred to as "The World's Greatest Superheroes", a moniker that would eventually adorn the book on a regular basis.
Update: I am incorrect directly above. Actually, the phrase is first used on the cover to #39, the first 80 Page Giant issue of JLA!