Only She Came Back, , Little, Brown Books for Young Readers, Margot Harrison,Children’s / Teenage fiction: Thrillers / suspense,Children’s / Teenage fiction: Action and adventure stories, thriller;YA;true crime;young adult;teen book;novel;boy;girl;fiction;age 14 15 16 17 18 19 20 year old;contemporary;mystery;social media;influencer;sensationalism;online detective;desert;survival;van life;road trip;Gabby Petito,, , United States, en-UShttps://www.hachettebookgroup.comthriller;YA;true crime;young adult;teen book;novel;boy;girl;fiction;age 14 15 16 17 18 19 20 year old;contemporary;mystery;social media;influencer;sensationalism;online detective;desert;survival;van life;road trip;Gabby Petito, [BLURB],[CITY],New York,books, ebooks, biblet, Book2look