[1] The family travelled internationally during her childhood, and her parents encouraged Horn and her siblings to write journals about their trips.

[4] She taught classes in Jewish literature and Israeli history at Sarah Lawrence College and the City University of New York.

She held the Weinstock visiting professorship in Jewish Studies at Harvard,[5] teaching Yiddish and Hebrew literature.

Horn's third novel, All Other Nights, published in April 2009 by W. W. Norton, was selected as an Editors' Choice in the New York Times Book Review.

[12] The title is based on a 2018 Smithsonian Magazine article by Horn that began "People love dead Jews.

"[14] Writing in the Wall Street Journal, Martin Peretz said, "This is a beautiful book, and in its particular genre—nonfiction meditations on the murder of Jews, particularly in the Holocaust, and the place of the dead in the American imagination—it can have few rivals.

[18] Tablet magazine produced a companion podcast, Adventures With Dead Jews, hosted by Horn, where she explores topics in Jewish history that didn't make it into the book.