Spring Fire, is a 1952 paperback novel written by Marijane Meaker, under the pseudonym "Vin Packer". It is the first lesbian paperback novel, and the beginning of the lesbian pulp fiction genre; it also addresses issues of conformity in 1950s American society. The novel tells the story of Susan "Mitch" Mitchell, an awkward, lonely freshman at a Midwestern college who falls in love with Leda, her popular but troubled sorority sister. Published by Gold Medal Books, "Spring Fire" sold 1.5 million copies through at least three printings.