||1 v. (unpaged) : col. ill. ; 21 cm.
||Magic school bus inside Ralphie
Ralphie's sick and can't host the Frizzle News Network TV show on health-until Ms. Frizzle and the gang travel inside his bloodstream to learn how the human body fights germs. Ms. Frizzle the science teacher leads readers on a fantastic journey in the name of science. These amazing books will delight young audiences with their humorous but factual accounts of the workings of the earth, how humans digest food, and how water is purified. Reviewers have called this popular series the freshest, most amusing approach to science for children.