Her books include the novel Private Means, the memoir Lights On, Rats Out, and the James Beard Award finalist Fish.
In "An Odyssey of Self-Harm and Out the Other Side", Daphne Merkin's New York Times review of Lights On, Rats Out, she praised LeFavour's "rare willingness to take the reader into difficult and sometimes unpleasant territory."
Merkin called the book "courageous and unsettling" and "a riveting account of a 'particular kind of crazy'.
"[4] The book was included in Book Riot's "50 Must-Read Memoirs of Mental Illness"[5] Library Journal described LeFavour's novel Private Means as a "wry, sophisticated, and intelligent rendering of modern, privileged city life",[6] while Chloe Schama in Vogue called it "a tart comedy of manners.
Lionel Shriver, writing for The New York Times, was less impressed, asking in her tepid review titled "One Cheats the Other Wants To": "Is it not sufficient to pass a reader’s time agreeably enough, and to tell a proficiently executed story with an age-old theme and an updated setting?