[1] Tuttle collaborated with author and screenwriter George R. R. Martin on a novella, The Storms of Windhaven that was nominated for a Hugo Award in 1976.

[1] Over the next 25 years Tuttle wrote a number science fiction and fantasy novels, including Lost Futures (1992), which was nominated for the Arthur C. Clarke and James Tiptree, Jr.

She has also written young adult fiction and published several titles, including Catwitch (with illustrator Una Woodruff) (1983), Panther in Argyll (1996) and Love-on-Line (1998).

As editor she has compiled several anthologies, including Skin of the Soul: New Horror Stories by Women (1990), and Crossing the Border: Tales of Erotic Ambiguity (1998), the latter covering the topic of genderbending.

Tuttle wrote a letter to the Awards director Frank Catalano requesting that her story be withdrawn, saying, "I don't approve of this kind of campaigning".

I would love to win some awards, especially ones with money attached ..."[1] In the early 1970s, Tuttle was in a relationship with fellow science-fiction/fantasy author George R. R. Martin,[20] with whom she co-wrote Windhaven.

Tuttle lived with Steven Utley for several years before moving in January 1981 from the United States to London, England, where she married British writer Christopher Priest.

[21] After the marriage ended in 1987, she relocated to Torinturk in rural Scotland in 1990, where she currently lives with her second husband, editor Colin Murray, and their daughter, Emily.

[1][2] (Series of children's books written by Tuttle but published under the house name Ben M. Baglio (USA) and Lucy Daniels (UK).