*In this award-winning tale from 1971, Green Arrow discovers that his former sidekick, Roy Harper, is hooked on heroin! Plus, Sinestro tries to exert mental control over Hal Jordan in a story originally published in Green Lantern #11! *Source: dccomics.com
"Snowbirds Don't Fly"
Green Lantern and Green Arrow run across a drug dealer when one of his "clients" hits Oliver in the shoulder with one of his own arrows. But neither suspect that Roy Harper, Queen's ward, who has been missing for a month, has become a heroin addict.
"The Strange Trial of Green Lantern!"
Reprinted from Green Lantern (1960) #11.