Children's book: Curious Ross discovers Digestion (Educational science while you play children's book collection, ages 4-9)

Curious Ross is a smart boy that asks many questions as many children do. It is the day-to-day activities, like wanting to build a castle that caused him to eventually learn about digestion.
This enjoyable story is great for children aged 4-9 years old who love playing games while learning in the process. Whether read as a bedtime story or as an anytime story, this kid's story is sure to stimulate children's imagination and provoke them to be curious, just like Ross.