Susan Hartzler is an award-winning writer, author of three books, and an advocate for the human-animal bond with more than 26 years of experience working with therapy dogs. Her books include I'm Not Single, I Have a Dog, The Peace Puppy, and Teaming Up with Therapy Dogs.

She is also the creator of BlissDog, a Substack publication exploring the powerful connections between people and animals, and writes the Paws on the Go blog. Through her books, essays, and reviews, Susan celebrates the ways animals enrich our lives.