Tell Me Three Things by Julie Buxbaum
Jessie’s mom died two years ago, and now her father has eloped with a woman he met online. He is moving Jessie across the country to LA where the new stepmom lives. She also gets a new stuck-up stepbrother who has zero interest in helping Jessie adjust to life in her new rich-kid school. Yay. Things seem to be falling in place for Jessie’s worst year yet when she gets an email from “Somebody/Nobody” offering to help her navigate life in LA/her new school. Is this a joke, or an actual offer of help? S/N seems to be helpful, and Jessie starts to wonder what it would be like to meet this mystery person.