There’s a mystery on Merriweather Farm, and you can help solve it. Why are the hay bales torn apart? Where did all the food go? And why is garbage strewn everywhere? Corey Combine and his friends on Merriweather Farm are on the case to find out who is making such a great big mess.As a bonus, young readers can play with the added-value stickers of the characters and animals on Merriweather Farm.