Princess Polly I‎'‎m a New Big Sister is part of Ladybird‎'‎s successful Pirate Pete and Princess Polly range ‎- introducing children to key milestones in a fun and reassuring way‎.‎ This Ladybird sound book describes the excitement and fun of having a new sibling and becoming a big sister‎.‎ The simple text and colourful illustrations will help little girls understand what happens when a new baby joins the family and how lovely it is to be a big sister‎.‎ Pressing the sound button each time to hear the baby giggle is also a great way to encourage young children to help out and play with the new baby‎,‎ and reward their good behaviour‎.‎ Other titles in the series include Pirate Pete‎'‎s Potty‎,‎ Princess Polly‎'‎s Potty‎,‎ Pirate Pete and Princess Polly Please and Thank You