Perfect for curious minds, this book dives into the fascinating world of all things gross in history. The title is packed with surprising facts, fun illustrations, and icky images. Readers will be laughing and learning about the essential (yet gross) stuff that keeps the world moving! This series is at a Level 3 and is written specifically for transitional readers. Aligned to Common Core Standards and correlated to state standards. Dash! is an imprint of Abdo Zoom, a division of ABDO.