Heker is the author of five short story collections and two novels. All of her short stories are gathered into the 1994 collection Los bordes de lo real.
Heker's writing belongs to the literary tradition of magic realism, which also includes the authors Jose Saramago, Jorge Luis Borges, Gabriel García Márquez, Isabel Allende, Jorge Amado, and Julio Cortázar. Short stories which offer a useful side-by-side comparison with Heker's include Cortázar's "Bestiary," in which a young girl spends the summer in a house where a tiger runs rampant, or Saramago's "The Double," which explores the concept of a shadow, or of two conflicting selves residing within one person, or Borges' collection, ...
