Wings of Fire: Winglets is a series of e-books written by Tui T. Sutherland as a companion to the Wings of Fire series. The first Winglets book is titled Prisoners, which is from the perspective of Fierceteeth. The book came out March 31, 2015. For plot details, see its individual page. The second Winglets book is titled Assassin, which focuses on Deathbringer's perspective. It was released on September 29, 2015. For plot details, see its individual page.