'Yes, Mood Swings is a novel about tech moguls and the collapse of society. Yes, maybe it's an 'internet novel.' But it's also so much more than that. And isn't that lovely, to find a book that transcends its buzzwords? Isn't it beautiful for a work of art to prove you wrong?' --Sarah Rose Etter, The New York Times Book Review 'For fans of Patricia Lockwood's No One Is Talking About This (2021). An off-kilter, hauntingly hilarious debut novel.' --Kirkus Reviews (starred review) ' A] bonkers story . . . Despite the sobering material, this is a hoot.' --Publishers Weekly In a pre-apocalyptic world not unlike our own, a young Instagram poet starts an affair with a California billionaire who's promised a time machine that will make everything normal again--whatever that means. Everyone knows something's off, but nobody can agree on just what it is. Maybe it's the weather; maybe everyone's just so damn sensitive these days. Or maybe it's because the animals of the world have finally had