Simon is in Darwin, Australia, preparing to travel through the unique mix of tropical forest, savannah and desert that make up the Australian Outback. But he's already worrying if his 4x4 is up to the job, and about the dangers posed
by crocodiles, spiders and snakes - and road trains Simon Chapman, winner of the Blue Peter Book Award, brings geography to life, and his Expedition Diaries are a great way to introduce the world's biomes...