Expedition Down Under is the tenth Science Chapter Book.
It is the second novel to be narrated by Dorothy Ann since "The Search for the Missing Bones."
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"Hi, I'm Dorothy Ann. I'm one of the kids in Ms. Frizzle's class.
We ended up on the other side of the world when we went searching for the cackling kookaburra. It was a wild walk-about to Australia. We had a hopping good time racing a herd of kangaroos and survived a run-in with the terrible Tasmanian devil. Things got pretty hairy in the outback, but there's never been a field trip quite like the Expedition Down Under."
| Science Chapter Books (1999-2001) | The Truth about Bats · The Search for the Missing Bones · The Wild Whale Watch · Space Explorers · Twister Trouble · The Giant Germ · The Great Shark Escape · Penguin Puzzle · Dinosaur Detectives · Expedition Down Under · Insect Invaders · Amazing Magnetism · Polar Bear Patrol · Electric Storm · Voyage to the Volcano · Butterfly Battle · Food Chain Frenzy · The Fishy Field Trip · Color Day Relay · Rocky Road Trip |
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| The Magic School Bus to the Rescue (2002-2003) | TTR: Forest Fire · TTR: Earthquake · TTR: Blizzard · TTR: Flashflood |