The Book and the Sword is a wuxia novel by Jin Yong (Louis Cha). It was first serialised in Hong Kong between 8 February 1955 and 5 September 1956 in The New Evening Post.

Set in the Qing Dynasty during the reign of the Qianlong Emperor (r. 1735-1796), the novel details the quest of the Red Flower Society, a secret organisation that aims to overthrow the Qing government, and their entanglements with an Islamic tribe in northwestern China.