Outback - by Robin Stevenson. When Jayden's eccentric uncle Mel invites him to help with his biology research at an Australian university, he figures he has nothing to lose. Once he arrives, he discovers Mel is obsessed with finding a new species of lizard and is determined to be the first to discover it. An expedition into the scorching desert heat of the Australian outback turns dangerous, and Jayden finds himself miles from civilization fighting for survival.
"Bex has explored almost every abandoned building and tunnel in the city. He's into "urban exploration"—going where he's not supposed to go. Bex has always done it just for fun and bragging rights, taking nothing but pictures and leaving nothing but footprints. But that changes when a new kid arrives at school. Kieran is edgy, dangerous, and into urban exploration as well. Together, they start pushing each other to radical extremes..."