The Book of Han is a history of China finished in 100, and it contains twelve annals, the first one is entitled, "Annals of Emperor Gaozu, 206195 BCE," and the second one is entitled,  "Annals of Emperor Hui, 194188 BCE."
The Book of Han or History of the Former Han is a history of China finished in 111, covering the Western, or Former Han dynasty from the first emperor in 206 BCE to the fall of Wang Mang in 23 CE. 
