I made it to 21 letters for last year's challenge, so this year I am trying for all 26. For the first few months, I will just slot titles in below as they happen. Then I will see if I need to start making a serious effort to locate titles for specific letters.
Fail. I made it to 19. And I failed Q, V, and Z two years in a row, so I'm not letting myself count any books for the 2019 challenge until I finish those.