Mackenzie Joy is the cocreator, with Tony Piedra, of One Tiny Treefrog: A Countdown to Survival. As an artist, she loves to scribble and paint on nontraditional canvases. As a writer, she enjoys finding the perfect rhythms, sounds, and words. As a storyteller, she wants to share stories that are quirky, hopeful, and thought-provoking. Mackenzie Joy lives in Northern California.

Tony Piedra is the author-illustrator of The Greatest Adventure and, with Mackenzie Joy, cocreator of One Tiny Treefrog: A Countdown to Survival. He grew up in Houston, Texas, chasing lizards in the backyard and capturing great adventures in his sketchbook. Eventually, he relocated to California, where he worked for many years at Pixar Animation Studios, building environments for some of the studio's most popular movies, including Up and Coco. He now lives in Northern California.