Diane de Anda is a professor emerita of social welfare at UCLA and a community voice on violence prevention and stress management among adolescents. She has written eight children's books and edited four books on multicultural social work. Her work focuses on empowering Latino youth. Diane lives in Play del Rey, California. 21 Cousins is her first book with Star Bright Books. Isabel Munoz is a lifelong artist and children's book illustrator. She studied fine arts at the Complutense University in Madrid, Spain.