So you think you're a pro at brain teasers? Try this one out: What two things do bacteria, poop, and mites have in common? They're all inside or on your body, and they're also all inside this book! Turn the pages to find more tricky puzzles and fun word problems involving all things gross.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $20. ThriftBooks.com. Read more. Spend less.