This is a short story about a boy goat named Willy, who lives up on the bumpy, humpy hills. As the narrative progresses, we find out more about Willy, and an amusing rhyme builds and builds alongside the story. Fun facts are also included to help educate the reader.

The pictures in the book are stylised from a child's perspective, to help follow the story.

This book is aimed at young readers, or to be read to children as a fun and educational story. It is also great for those learning English as a second language.

There are, currently, 3 more books in this series, with others planned over the next few months.