“Harrow the Ninth,” the second book in the Locked Tomb series, continues the dark and captivating journey started in “Gideon the Ninth.” Written by Tamsyn Muir, this science fantasy novel takes readers back to the eerie halls of the Ninth House, where necromancers and mysteries abound. Harrowhark Nonagesimus, the sole remaining necromancer of her House, faces new challenges as she embarks on a perilous quest to become a Lyctor, a revered and powerful servant of the Undying Emperor. Filled with mind-bending twists, macabre magic, and an intricate web of secrets, “Harrow the Ninth” delves deeper into the enigmatic universe of the Locked Tomb series, captivating readers with its eerie atmosphere and complex characters.