Signet Books

Signet Books was an imprint of The New American Library (NAL), a American publisher based in New York, and founded in 1948.

Its focus was affordable paperback reprints of classics and scholarly works, as well as popular and pulp fiction.

Popular SF authors whose books were reprinted as Signet paperbacks in the 1950s included Isaac Asimov, Alfred Bester, James Blish, Arthur C. Clarke, Edmond Hamilton, Robert Heinlein, Wilson Tucker, and A.E. van Vogt.