Blood of Amber is a fantasy novel by American writer Roger Zelazny, published in 1986. It is the second book in the second Chronicles of Amber series, and the seventh book in the Amber series overall. == Plot summary == Merlin escapes from the crystal cave, and he decides to gain leverage over Luke by rescuing his mother from the Keep of the Four Worlds. He spars with the sorcerer who now controls the keep, and who seems to know him. He escapes with the petrified Jasra; then he returns to Ambe…