When Mr Green rings from a tropical island, begging to be rescued, Nanny Piggins first instinct is to say ‘no’. However, a principle is at stake. No-one kidnaps her employer – at least not without written permission from her. So Nanny Piggins sets out to save the hapless tax lawyer, and to do so she must first dabble in a spot of bungy jumping, deceive immigration officials wearing a fake moustache and seduce the President with her most powerful weapon – the dance of the seven cakes