Mummy is having a new baby and Caitlin is delighted. But she is not as excited as her brother Lachlan. He is sure that Daddy's having a horse! When the big day finally arrives, both of them are surprised. Everyone will love this funny, tender story about what not to expect when your mum is expecting. This is a unique picture book that celebrates the role of fatherhood in a time when Dads are becoming more involved in parenting. It is perfect for children awaiting the arrival of a new brother or sister in the family, as it explores both the uncertainties and joy which surrounds this momentous occasion.