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!

Ms. Frizzle takes her kids on a whirlwind tour, from the Arctic to the equator so they can see telltale signs of climate change.

Ms. Frizzle takes her class on a field trip through the town's electrical wires so they can learn how electricity is generated and how it is used.

Oh, no! Wanda's best friend, Bella the bullfrog, is missing. The class wants to help look for her. Ms. Frizzle says, "The best way to find a frog is to be a frog!" So, the kids take a ride on the Magic School Bus. Join them as they shrink to frog size and learn all about animal habitats!

Ms. Frizzle takes the gang on a tour through the history of science so they can get ideas for their science expedition.

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.

Everybody agrees that mold is just disgusting, until the class goes on a field trip inside a rotting log. They discover that all the dead-looking stuff is actually alive...and it's pretty neat after all. Join the class on their "rotten" adventure, and learn about how nature recycles through decomposition.