In this charming tenth book of the Good Dog series, Bo plays in the mud with his pig friend!

Bo and his pig pal Zonks always have fun with each other. They can talk and roll in the mud all day long! Bo and Zonks agree they have a special connection. But does that mean they've got to be each other's best friend?

With easy-to-read language and illustrations on almost every page, the Good Dog chapter books are perfect for emerging readers.