Now a full-fledged Ranger responsible for a sleepy fief, Will finds a new adventure seeking the traitors who poisoned the king, investigating rumors of sorcery, and trying to rescue his friend Alyss, who is taken hostage.

"Andy and Terry are once again inviting readers to come hang out with them in their astonishing 39-story treehouse (it used to be 13 stories, then 26 stories, but they keep expanding). And this year they will have even more time to jump on the world's highest trampoline, toast marshmallows in an active volcano, swim in the chocolate waterfall, pet baby dinosaurs, and go head-to-trunk with the Trunkinator, since Terry has created the greatest invention...

Amy and Dan cross the oceans on the trail of a famous aviator, but they find more than they're looking for. Their enemies are becoming more vicious, and the truths they discover more crushing than ever.

The magic tree house whisks Jack and Annie away to Australia where they must save some animals from a wildfire.

Tennyson, the false prophet of the Outsider cult, has escaped and Halt is determined to stop him before he crosses the border into Araluen, but Genovesan assassins put Will and Halt's extraordinary archery skills to the test.

"An adventure down under! Moldy mozzarella! A flock of sheep at Nicky's family's Australian ranch was losing all its wool, and no one knew why. Nicky and her friends the Thea Sisters headed to Australia and set off on a tour of the whole country in serch of clues. What happened next turned out to be a truly memorable outback adventure!"--Page 4 of cover.

Mike Evans and his best friend, Shannon, pursue the dangerous Mr. Bones to Australia, where he has reanimated an Allosaurus and may be seeking more complete dinosaur skeletons to bring to life--but they discover that actually he and his sister have a more profitable scheme in mind.

"Henry, Penny, Frankie, Mum and Dad embark on their most exciting adventure yet from Tassie to the very tip of the Top End. Travel with them on the ferry across Bass Strait to the mainland, through Kelly country, along the Murray, into the Flinders Ranges, underground at Coober Pedy, overhead at the Olgas, overland to the Great Sandy Desert, with the fishes at the Great Barrier Reef, deep into the Daintree, out to the islands, kayaking at Kakadu and...

Secret agent Jack Stalwart searches for a diver missing from the Great Barrier Reef and a treasure that has vanished from the wreck of the HMS Pandora while trying to defeat a deadly band of pirates.