Danielle Keil’s “Dear McKinnon” is the first book in the Love Notes series. Except for new girl McKinnon Gregory, everyone at Ryder High understands the importance of a teal envelope pinned to their locker on the first day of the month. When the teal envelope shows up in her locker on the first of March, this monthly custom known as the Secret Admirers takes an unexpected turn. McKinnon, who has very few acquaintances, must solve the puzzle of interpreting the hints and identifying her secret admirer. Will the man she has fallen in love with via letters be even more amazing in person? A wonderful mystery story for young adults about romance.