Dear Emmie Blue is a novel by Lia Louis, published in 2020. It is a story of a young woman named Emmie Blue who releases a balloon with her email address and a secret into the sky when she is 16 years old. She hopes to find someone who will understand her and help her escape from her troubled life. Instead, she finds Lucas Moreau, a boy from France who becomes her best friend for the next 14 years. Emmie falls in love with Lucas, but he sees her only as a friend. When Lucas announces that he is getting married, Emmie’s world falls apart. She realizes that she has been holding on to a fantasy and neglecting her own dreams and happiness. She decides to make some changes in her life and discover who she really is and what she wants.