Marci Greenberg Cox was born and raised in Solon, OH and currently resides in Buffalo, MO. Though she was a full-time Realtor, she decided to write a children's book-Mommy Has a Boo-Boo: Explaining Breast Cancer to Children-to aid in her healing after receiving a Stage 3 breast cancer diagnosis in 2018. She has also written a series of journals and even collaborated with her daughter to publish a variety of coloring books. In creating The Fight Back series, Marci set out to write a book for children so they see themselves in the story and know they are not alone as true superheroes in their fight against cancer.