Yzada's World is a series of educational storybooks about a six-year-old girl's questions. Her name is Yzada. Her questions go back and forth between her parents and her teacher. She learns about the world around her, from answers to her questions.
In Mama's Milk, Yzada has a four-year-old younger brother called Little Jay, and a newborn baby sister called Alicia.
Yzada is worried after observing a new experience. Her mom may turn into a cow because she is making breastmilk. She learns something new about milk origins, as she explores her emotions while trying to understand the different sources of milk.
Mama's Milk is book two in the Yzada's World series. The first book in the series is titled I Want a Maid too!