I gave Simon a little shove, but it was enough to start him moving, then he quickly picked up speed. Too quickly. ‘Slow down!’ I screamed out into the Gorge. Simon and Molly would rather be tortured by Pecker the Parrot or chased by an axe-wielding Dunny Brush than go on the Grubb twin’s dodgy flying fox again. But when a kid’s in trouble up the Gorge, they mightn’t have a choice…