Ms. Frizzle takes the class on a camping trip, but Arnold is worried about monsters, and sets out to create a "Monster Scaring Perimeter" powered by a generator to keep the lights on--and in the process the class learns about sources of clean energy (and maybe monsters).

Ms. Frizzle takes the class on a trip to a Pacific Island, where the Magic School Bus provides them with individual submarines, and they learn about fish schools and the behavior of undersea animals--and try to avoid being eaten by a shark.

"Knox, a snail mail carrier, delivers packages with a smile--and a hilarious joke for each recipient. In this pun-filled Level 2 Highlights Puzzle Reader, readers must solve six mazes to help Knox deliver the mail with time to spare so he can celebrate his birthday. With bonus knock-knock jokes, Knox Knocks: Special Delivery is perfect for beginning readers."--