Youth taking novel and informative

Very pleasant young adult novel, from 10 years for good readers but ideal for romantic or ladies who appreciate the history of 13 or 14 years too.
Apart from 2 or 3 mistakes that have more of the typo (missing an adverb ...) this novel is rich and well written.

Following the death of his father, Napoleon's Old Guard, Heloise 15 years, entered against heart at the Legion of Honor.
We follow in the discovery of this institution, in their joys and sorrows, and all these little facts of the daily life of a young girl in the early 19 °.
We also follow with it the history of the Napoleonic period, from the famous battles the Emperor's fall through the baptism of his son ...

This book reads easily, it allows more young people to discover anything but fantasy novels, especially to discover how some girls lived there 200 years ...