Cynthia So

"This summer, Elsie is finally going to confess her feelings to her longtime--and long-distance--crush. They may be separated by an ocean, but Elsie feels fluttery every time Ada's name pops up on her phone. Ada gets her like no one else. That is, until Joan, Elsie's childhood best friend, literally walks back into her life. Joan, who disappeared into radio silence after moving away to Hong Kong years ago, and never replied to any of Elsie's letters...