"Rio, Rio, come look! The stone just moved. I am sure of it. It moved!" "What? Stones don't move, they don't have feet!" "Yes, they do! Come quick!" In this book, children will learn about a common pest in the garden and how to prevent it from destroying the plants. Children will also learn new words with the glossary which is available in bilingual in this book. This informative book is suitable for children in ages range between 10 to 12 years old. This book can also be used as an additional reading material for English Literature in school.