HartmanRosanne L. Hartman, Ph.D. is an emeritus professor in the field of communication. Cal's New Sister, Building Sibling Connections is her first children's book and is inspired by her experiences with her grandchildren. Finding joy in being a grandmothe led her to write about how her grandchildren hasbe built a relationship of love and joy. Rosanne lives outside of Buffalo, NY and enjoys spending time with her family. In her free time, she is an amateur potter.Rosanne is published in several academic journals, but this is her first children's book. Read More Read Less