Xero was a fanzine published by Patricia Lupoff and Richard Lupoff.
In 1960, Pat and Dick Lupoff started Xero, a science fiction fanzine that also included general interest subjects and commentary on comics as well. After 10 issues it had become so successful it became too much work for the couple and they ceased publication in 1963. It won a Hugo Award for 'Best Fanzine' in 1963.
The fanzine included a recview of Psycho by Harlan Ellison, a review of Kingsley Amis' study of SF, New Maps of Hell by James Blish, and Donald Westlakes's farewell to SF. Because of the coverage of comics, it is considered to be a forerunner of later fanzines devoted to comics and featured the series of articles on comics called "All In Color For A Dime by Richard Lupoff.
Artists contributing to Xero include Eddie Jones, bhob Stewart and Steve Stiles.
Contributors included Otto Binder, James Blish, Lin Carter, Roger Ebert (Star*Dust), Harlan Ellison, H. P. Norton, Bill Schelly, Roy Thomas, Don Thompson, and Donald Westlake.