Toad in the Hole and Toley Bags

When 13-year-old Katie MacCallum's best friend goes missing everyone assumes she's run away from home. Only Katie and her light-fingered brother seem interested in investigating Nadia's disappearance. Katie is convinced her friend has been abducted by aliens. But the school photographer is also behaving very weirdly. When Katie discovers a vital piece of evidence proving his involvement it could be too late. Is she about to suffer the same fate as her friend?