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

"Trapped with a train bearing down on him, Cal's chances of survival look grim. The stakes are getting higher, but all the clues to the Ormond Singularity just lead to more puzzles and more danger"--P. [4] of cover.

Visiting her grandmother in Australia, Livy, ten, is reminded of the promise she made five years before to Bob, a strange, green creature who cannot recall who or what he is.

Cal's old life ended as soon as the deadly 365-day countdown began. He's a hunted fugitive who'll do anything to survive. But is Cal desperate enough to befriend a traitor with killer connections? Or risk returning to the scene of his attempted murder? Should he meet with a mysterious informant, when it could be a setup? The clock is ticking. Any second could be his last.

Cal Ormond travels to Ireland in search of the final clues to his father's death. He must reach the Ormond Singularity before the stroke of midnight. In the final days of this deadly 365-day countdown, it is clear that any second could be his last.

The trip to Australia Rafe has won starts badly, but after connecting with a group of misfits he finds a way to do what he does best--create mayhem.

Bick, Beck, Storm, and Tommy have one week to traverse the Australian Outback, locate Charlotte Badger and her pirate cronies, and find evidence to prove their parents innocent of stealing rare opals.