When Arnold wishes he had more information for his family tree, Ms. Frizzle revs up the Magic School Bus and the class zooms back to prehistoric times. First stop: 3.5 billion years ago!There aren't any people around to ask for directions. Luckily Ms. Frizzle has a plan, and the class is right there to watch simple cells become sponges and then fish and dinosaurs, then mammals and early primates and, eventually, modern humans. It's the longest class trip ever!This is the story of a species, of our species, as only Ms. Frizzle can tell it. Joanna Cole and Bruce Degen tackle this essential topic with the insight and humor that have made the Magic School Bus the bestselling science series of all time.Hop on board for a class trip that spans billions of lifetimes!

When Arnold wishes he had more information for his family tree, Ms. Frizzle revs up The Magic School Bus and the class zooms back to prehistoric times. First stop: 3.5 billion years ago!

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! On a most sense-sational trip that takes them through an eye, an ear, a tongue, and even a dog's nose, Ms. Frizzle's class learns about the senses. Using their trademark sense of humor, Joanna Cole and Bruce Degen provide facts about the senses in both the human and animal worlds.

On a special field trip in the magic school bus, Ms Frizzle's class learn at first hand about different kinds of rocks and the formation of the earth.

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! Arnold has swallowed the Magic School Bus! Now, instead of seeing an exhibit of the human body at a museum, the class is taking a look at Arnold's stomach, his intestines, his bloodstream, and more from the inside on this heart-stopping fieldtrip - one the reluctant Arnold would be happy to miss.

A special field trip on the magic school bus allows Ms. Frizzle's class to get a first-hand look at major parts of the body and how they work.