"The Magic School Bus: Inside the Human Body" has taught readers about the incredible systems that work together to make the human body function. With full-color photos and illustrations featuring Ms. Frizzle and her students, this nonfiction companion includes fresh, updated content.

Dan Green studied natural sciences at the University of Cambridge. He has worked on many popular science titles, written humor books, edited a South American national newspaper, and worked as a travel writer, as well as developing and editing the wildly successful Horrible Science magazine collection.