Mandy loves animals and knows lots about them too! Both her parents are vets -- so Mandy's always able to help her friends with their pet problems ...Chick Challenge: New girl Libby is not very happy. Her pet hen, Ronda misses her while she's out all day at school, and now Ronda's stopped eating. Mandy comes up with a plan to cheer them both up -- a new family of chicks should do the trick! Hamster Hotel: Mandy's grandparents are looking after a friend's hamster while she's on holiday -- and they don't have a clue what to do! Mandy promises to come and help out -- but even she has a problem when the hamster disappears!