'ZEYNON, NO!!' KASSIE SHRIEKED AS Rumal's little brother hurled himself off the roof of the shed. With a flick of her fingers, mind focused, she caught him mid-air with her energy and carefully lowered the little imp to the ground. As soon as his feet touched the dirt Zeynon made to flee, but his brother, who rounded the corner at just the right moment, caught him by the back of his shirt.

'Zeynon,' Rumal looked very unimpressed. 'We've had this conversation before. ...