What is the white book the citadel?

The White Book is a fictional book within the fantasy novel series "A Song of Ice and Fire" by George R.R. Martin. The book is kept at the Citadel, a center for learning and knowledge in the fictional world of Westeros.

The White Book contains the records of the members of the Kingsguard, the elite group of knights who protect the king and the royal family. It lists the names and deeds of each member of the Kingsguard throughout history, detailing their accomplishments and their faults. The book is considered sacred and is read by the Maesters of the Citadel, who study it to learn from the wisdom of the past.

The White Book plays a significant role in the plot of the series as it is referenced frequently by characters who are members of or connected to the Kingsguard. The book also serves as a touchstone for the values and traditions of the noble and chivalrous knights who serve the realm.

In the television adaptation of the series, "Game of Thrones," the White Book is a physical object that is seen on numerous occasions, illustrating its importance to the story's mythology.