Rick McIntyre has worked with the National Park Service for more than forty-two years and has recorded more sightings of wild wolves than any other person, and has written several books about the wolves for adult readers. Now retired, he has spoken about the Yellowstone Wolves with news outlets such as 60 Minutes and NPR's Snap Judgement, and is profiled extensively in American Wolf by Nate Blakeslee. To learn more about Rick and his work, visit rickmcintyrebooks.com.

David A. Poulsen is the author of twenty-seven books, many for middle readers and young adults. His young adult novel Numbers was selected for the Sakura Medal (awarded by English speaking high school students in Japan to their favorite novel of the year). His teen/YA novel And Then the Sky Exploded was a nominee for the 2018 Ontario Library Association's Red Maple Award. To learn more about David and his work, visit www.davidapoulsenauthor.com.