"A-Z with Frankie A PKU Friendly Learning Book," is not your average learning book. Parents will love reading this book with their kids as we learn all about the Fruit and Vegetables in this world, along with their protein values, and fun facts. Frankie was born with PKU which is a genetic metabolic disease that doesn't allow her body to process protein. This book encourages children to open a conversation about how incredible this world is that we live in, and how unique each and every one of us are.