Mest is a science fiction fanzine by Ted Johnstone.
Mest was published in the 1960s in California, U.S.A. It wsas distributed through Spectator Amateur Press Society. Issue 18 was special "Thrush" appreciation issue, and featured the story of a hoax perpetrated by Johnstone and other fans pretending to be from the Thrush organization, the archvillians of the television seriesThe Man From U.N.C.L.E.. Johnstone was the author of several of the paperback novel adaptations of the series.
Ted Johnstone was also one of the editors of Shangri L'Affaires.