It is exciting to have a sibling! However, it also brings a lot of changes. Mary discovers this when Jacob, the youngest child of the family, is born. Fortunately, she has her friends from kindergarten and can share her thoughts with them and see the issue from a different perspective. This book illuminates the various facets of life with siblings: what does it mean to be either the oldest or the youngest? When should I take a step back and when do I have the right to say that I feel left out? And how can life with siblings become more beautiful?