Tor Doubles are a series of science fiction books published by

Tor Books Tor Books is the primary imprint of Tor Publishing Group (previously Tom Doherty Associates), a publishing company based in New York City. It primarily publishes science fiction and fantasy titles, and is the largest publisher of Chinese scien ...

between 1988 and 1991, mostly in

tête-bêche In philately, ''tête-bêche'' ( French for "head-to-tail", lit. "head-to-head") is a joined pair of stamps in which one is upside-down in relation to the other, produced intentionally or accidentally. Like any pair of stamps, a pair of ''tête ...

format. The series was inspired by the

Ace Doubles An ace is a playing card, die or domino with a single pip. In the standard French deck, an ace has a single suit symbol (a heart, diamond, spade, or club) located in the middle of the card, sometimes large and decorated, especially in the c ...

, published between 1952 and 1973.

Titles in the series

This list is complete and includes ISBN numbers for the United States. At least one more in the series was prepared but never published:

Esther Friesner Esther Mona Friesner-Stutzman, née Friesner (born July 16, 1951) is an American science fiction and fantasy author. She is also a poet and playwright. She is best known for her humorous style of writing, both in the titles and the works themsel ...

's ''Yesterday We Saw Mermaids'' paired with

Lawrence Watt-Evans Lawrence Watt-Evans (born 1954) is one of the pseudonyms of American science fiction and fantasy author Lawrence Watt Evans (another pseudonym, used primarily for science fiction, is Nathan Archer). Biography Born in Arlington, Massachusetts, as ...

's ''The Final Folly of Captain Dancy'' would have been series number 37.

Notes

References

{{reflist Science fiction novel series Tête-bêche books