Astrid, a girl with the power in her hands to mend anything she touches, and her friends fly into the stratosphere in an effort to fix the ozone layer.

'Help me!' I gasped. 'My name is Sam Fox and I'm trapped in a truck . . . There's a bushfire all around me!' It's the holidays and Sam Fox has gone to the high country to stay with his grandparents. While trying to stop cattle rustlers from stealing a stud bull, an injured Sam is isolated in the mountains during a horrific bushfire. To survive, he must rely on his courage; ingenuity, and the help of Chainsaw – a mad old rodeo bull! An action-packed rollercoaster ride, Bushfire Rescue is the second book in a thrilling new series! Visit puffin.com.au/extreme for more.

'My little brother lay in the bottom of the basket with his head slimed sideways, I took a closer look. Jordan's face was blue . . . ' When Sam Fox's twin brothers, Harry and Jordan, are carried off in a runaway hot-air balloon, Sam tries to save them – only to end up trapped himself! What starts as a joy-ride turns into a life-and-death struggle when Jordan is bitten by a funnel-web spider. Will Sam be able to land the balloon in time to save his brother? An action-packed, thrilling ride, Spider Bite is the most gripping Extreme Adventure yet! Visit puffin.com.au/extreme for more.