P.K. Hallinan is the author and illustrator of more than 88 children's picture books, with nearly 9 million copies sold worldwide. His best-selling book, How Do I Love You?, has sold two million copies to date. Other notable titles include: I'm Thankful Each Day!, Heartprints, That's What A Friend Is, Thank You, God, and I Know Jesus Loves Me. His book, Let's Be Kind, was honored by Focus on the Family as one of the "Top Ten Children's Books in America" for 2008. He is also a nationally noted motivational speaker whose presentations, A Life That Matters and Find a Need and Fill It!, have touched lives all across America. P.K. is an ordained minister and pastored a church for 17 years. He now performs pulpit supply as necessary, and has a music ministry that brings happiness and hope to Alzheimer patients and other assisted-living patients in facilities around Southern Oregon.

Tyson Ranes is an artist, illustrator, and graphic designer. He serves on the leadership team for Frontier Alliance International (FAI), an international missions organization, and is a part of their graphic design and art department. Some of his more notable works include creating film posters and works of art for the FAI studio films Sheep Among Wolves, Volume II, Ballads of the Revelation, and Ballads of the Exodus. Tyson recently illustrated the children's book Jesus and His White Horse, and has designed a number of book covers, including The Gospel of Christ Crucified, Second Edition by John Harrigan. Tyson currently resides in Texas with his wife Stephanie and their two children.