The Book and the Sword (书剑恩仇录; literally, "The Book and the Sword: Gratitude and Vengeance") is the first Wuxia novel by Louis Cha, who is better known as Jin Yong. It was first published on February 8, 1955 in The New Evening Post and ran for about one year.

Set in early Qing China during the rule of the Qianlong Emperor, The Book and the Sword details the quest of the Red Flower Society, an organisation aiming to overthrow the ruling Manchurian government, and their entanglements with an Islamic Uyghur tribe--the book in the title refers to a Qu'ran stolen from this tribe. Historical characters such as the Qianlong Emperor, Zhaohui (兆惠), Heshen, Zheng Xie and Fu Kang'an were also mentioned in the novel. Even one of the main female protagonists, Princess Fragrance, was also loosely based on the Qianlong Emperor's Fragrant Concubine.

The debut novel quickly established Jin Yong as one of the new masters of the genre. He would go on to write thirteen more novels.

Alternate English titles of the novel are Book and Sword: Gratitude and Revenge and The Romance of the Book and Sword.