Can Cally and her twin, Jimmy, be trusted to walk home alone for the first time? Will there be mayhem at the movies? And what could possibly go wrong when they go to work at Dad’s office or camp out in the forest on a school residential trip? Plus, there’s a new girl at school who’s not quite as perfect as she might at first seem... 'Warm-hearted, touching stories, full of fun but with a subtle message' Jacqueline Wilson 'They're a hoot!' Ross Montgomery