Joanna Cole

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...

Ms. Frizzle takes her class back through time to the Triassic period on a dinosaur dig in search of Maiasaura eggs.

Describes the activities and changes involved in having a new baby in the house and the feelings experienced by the older brothers and sisters.

On another special field trip on the magic school bus, Ms. Frizzle's class learns about the ocean and the different creatures that live there.

A sister enumerates the joys of welcoming a new baby to the family and the advantages of already being "big."

Ms. Frizzle and her class explore the senses by traveling on the magic school bus in and out of an eye, ear, mouth, nose, and other parts of both human and animal bodies.

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

When Ms. Frizzle, the strangest teacher in school, takes her class on a field trip to the waterworks, everyone ends up experiencing the water purification system from the inside.

Uses a question-and-answer format to present information about sex for preteens.