The short answer to that is yes.
The long answer is, that I need licensing from the authors and for me to obtain that the author needs to first of all be open do giving out a license and they then need to approve of my design, which won't always happen. I am currently working on several bookmark designs for multiple authors, and I am trying to get the licensing for that, but nothing is guaranteed.
But I do have one author, who has promised me her license as soon as she has it drawn up by her lawyer and I am extremely excited about that. And I will always let you know about any licensed collections as soon as I obtain a license.