Chapter Six – Not a Good Time CARRIE ROLLED TO AN abrupt halt as she hit a hard, rocky surface. A mountain bare of vegetation, made of some kind of sandstone, rose up behind her into a sky washed of colour by two brilliant suns. They were in a narrow valley, and more mountains and peaks went on as far as she could see. Her skin prickled with sweat. She hoped they wouldn’t have to leave the shadow of the valley and face the direct heat of the stars the placktoid planet circled. Dave was sitting with his back to a boulder, his head in his hands. “Did you hit your head?” asked Carrie. Dave took down his hands. “I didn’t hit my head.” “Did the time travel hurt, then?” She felt normal, remarkably unaffected by journeying thousands of years into the past. “No, the time travel didn’t hurt.”