Quark (anthology series)

Quark is an anthology book series devoted to avant-garde science fiction and related material, edited by fiction-writer and critic Samuel Delany and poet and editor Marilyn Hacker; four volumes were published in 1970 and 1971. The editors, once married, were among the foremost homosexual activist/writers in the following decades.

The volumes in the series are:

• Quark/1
• Quark/2
• Quark/3
• Quark/4