Kallie George is the author of the Magical Animal Adoption Agency series. She works as an author and speaker in Vancouver, Canada, and she holds a master's in children's literature from the University of British Columbia. In addition to writing books for young readers, she leads workshops for aspiring writers. She happened across the Heartwood Hotel on a hike with her husband and wishes she was a mouse like Mona so she could stay there, too. Visit Kallie online at kalliegeorge.com. Lorena Alvarez was born and raised in Bogotá, Colombia, and studied graphic design at the Universidad Nacional de Colombia. She has illustrated for children's books (including the Carmen series by Anika Denise and Nightlights , a comic book which Lorena also wrote), independent publications, advertising, and fashion magazines.

Since 2008, she has been part of La Procesión Puppet Club, an experimental puppetry group of illustrators and visual artists. Visit her online at lorenaalvarez.com.