Pippa Middleton, sister of Princess Kate, has introduced its first book "Celebrate", a much talked about and much awaited book. Moments of joy experienced Pippa Middleton to release in its first book sale across the UK.As you know, after the marriage of her sister, Kate Willimas prince, Pippa Middleton, was able to "grab" the attention of the media around the world, even in some cases it compared with her sister Princess Kate.