The Winglets Flip Book is an Independent Bookstore Day exclusive paperback compilation of two of the Winglets e-books, and a letter from Tui T. Sutherland. The two short stories are Assassin and Deserter. Not many copies were released.
You can check it out here. It was only available in independent bookstores on Independent Bookstore Day of 2019 (April 27th, 2019).
- In Tui's letter, she mistakenly refers to Deathbringer as a RainWing assassin, instead of a NightWing assassin.