What are some of the smelliest things in the world? Why do some things smell bad? Where do smells come from? These are some of the questions answered in this Ready to Read Level 2 book. Dr. Ick and his friend Sam the dog take us through why some things smell. There are 2-3 sentences per page and includes illustrations as well as photographs. Important vocabulary words are in bold and many also include a pronunciation guide. The glossary is located at the front of the book and an experiment is located at the back of the book.