Jennifer Boothroyd 
What Is Smell? [PDF ebook] 

The sweet smell of roses. The rotten smell of garbage. Your nose lets you smell these scents and more. But how does your nose work? And how does your sense of smell help you? Read this book to find out! Learn all about your five senses in the Your Amazing Senses series – part of the Lightning Bolt Books(TM) collection. With high-energy designs, exciting photos, and fun text, Lightning Bolt Books(TM) bring nonfiction topics to life!