The Christie novel that takes its title from William Blake’s poem *Auguries of Innocence* is *Endless Night*.
Christie published *Endless Night* in 1967, late in her career. The title comes from Blake’s poem, which contrasts innocence with cruelty and corruption. That tension suits the novel’s narrator, Michael Rogers, whose romantic dreams and ambition gradually become entangled with greed, deception, and violence.
The story centers on Gipsy’s Acre, an attractive but ominous plot of land where Michael imagines building a perfect home. Warnings surround the property, including the local saying that misfortune comes to those who interfere with it. The idealized dream of a beautiful life becomes the setting for a dark psychological mystery.
Blake is generally believed to have written *Auguries of Innocence* around 1803, although it was not published until 1863. The poem contains 132 lines and is built from moral paradoxes. Christie’s title is therefore more than a decorative quotation: it signals the novel’s movement from apparent innocence toward deliberate evil.