4The body is an amazing machine and this title introduces the gross and amazing reasons our bodies makes boogers and snot, or mucus. Complete with cool and colorful photos, labeled when needed, and a Let's Review! section. Aligned to Common Core Standards and correlated to state standards. Abdo Kids Jumbo is an imprint of Abdo Kids, a division of ABDO. Translated by native Spanish speakers--and immersion school educators.