There's a Yeti in my Tummy by Meredith Rusu, illustrated by Martin Moron

The young man gets a funny feeling in his tummy and says it's a Yeti.  As the story goes on, he gets a Yeti in various places on his body.  His mom and dad let him tell his stories.

It's a fun book to read and the endings has even more of a surprise.

Young ones will like this book!