Why my mummy? Kai shares his mother's experience of cancer

Donna Penny wrote this picture book from the perspective of her 9-year-old son, Kai, to help parents explain advanced (metastatic) cancer to their children. It is a bright, positive book, sharing the family's experience of advanced breast cancer, including chemotherapy, hair loss, anxiety and most of all, family. Although Donna has breast cancer, the story doesn't actually mention the type of cancer, so it is equally relevant for children of women with any type of advanced cancer.