books.google.com - To celebrate its 20th anniversary, Scholastic is re-releasing the ten original Magic School Bus titles in paperback. With updated scientific information, the bestselling science series ever is back! Small enough to squeeze through power lines, Ms. Frizzle's class learns how electric current travels...https://books.google.com/books/about/The_Magic_School_Bus_and_the_Electric_Fi.html?id=1ZZXDqAFfM4C&q=tube&utm_source=gb-gplus-shareThe Magic School Bus and the Electric Field Trip