Li Baiyao () (564âÂÂ647), courtesy name Zhonggui (éÂÂè¦Â), formally Viscount Kang of Anping (å®Â平康åÂÂ), was a Chinese historian and an official during the Chinese Sui dynasty and Tang dynasties. He was honored for his literary abilities, and he was known for completing the official history of Northern Qi, the Book of Northern Qi, which his father Li Delin had started.