Gawain has two assignments: one for his history teacher and one for his dad's scary boss. Sent as a spy to a summer camp for supernerds in the remote Australian outback, he's tasked with finding twins named Reece and Holly.The thought of fitting in is a terrifying prospect. He's got no scientific ability, a little sister to babysit, a secret talent to keep hidden, and mysterious dream-visions of life in a medieval castle to untangle. To top off his...