Sunfall is the debut novel of Sunna Dis Masdottir (b. 1983), who previously published the poetry collection Plums, which was nominated for the May Star Poetry Prize.
Sunna is one of the poets in the female writers collective Impostor Poets, which has released four poetry collections and the novel Oil, which was nominated for the Icelandic Literary Prize. She also works as a translator, creative writing instructor, and literary critic.