What is the book A Crush by Cynthia Rylant about?

Well, darling, "A Crush" by Cynthia Rylant is about a young girl named Eileen who develops a crush on a boy named Mark. The book follows Eileen as she navigates the ups and downs of having a crush and explores themes of friendship and self-discovery. It's a cute little read that might just make you nostalgic for your own awkward crush days.