Sage Foster-Lasser earned her bachelor's degree at the University of Texas at Austin, where she studied psychology and American studies. Grow Kind is a follow-up to Grow Happy and Grow Grateful , two children's books which she also co-authored with Jon Lasser. Jon Lasser, PhD, is a psychologist, school psychologist, professor, and associate dean for research in the College of Education at Texas State University. Grow Kind is a follow-up to Grow Happy and Grow Grateful , two children's books also written with Sage Foster-Lasser. Jon Lasser resides in Martindale, Texas. Follow him on Twitter: @JonSLasser. Christopher Lyles is an illustrator, designer, and art educator who lives in Connecticut with his wife and two kids. His work has been featured in magazines, children's books, and greeting cards.

He has illustrated numerous books for children, including When You Look Out the Window, Grow Happy and Grow Grateful. Visit him at chrislylesdesigns.com and follow him on Facebook: @Chris Lyles Designs, Twitter: @ChrisLyles, and Instagram: @ChrisLyles.