"The Vale of Cedars; or, The Martyr" is a novel by the British writer Grace Aguilar, which was published in 1850. In this literary work, the author tells about the witchcraft of Jews in the Middle Ages, their endurance and faith in God's providence in the face of purposeless persecution and oppression. The book helps readers better understand the history and culture of the Jewish people, as well as the topic of religious freedom and belief. Thanks to vivid images, emotional tension and wisdom conveyed by the author, "Valley of cedars; or, Martyr" leaves a vague reflection in the hearts of readers, and the memory of it will remain in their thoughts for a long time.