Tad´s long-time US publisher DAW Books published the trade paperback edition of Empire of Grass on May 12th, 2020. This is the second book in Tad´s current Osten Ard trilogy THE LAST KING OF OSTEN ARD. The first volume, The Witchwood Crown (2017), is already available in various editions (paperback, e-book or audiobook), the third and final book, The Navigator´s Children is currently scheduled for a release in October 2021.