The Book of the Ancestor

The Book of the Ancestor trilogy follows Nona Grey, a young girl who enters a convent of warrior nuns called the Sweet Mercy Convent. The series consists of Red Sister, Grey Sister, and Holy Sister, set in a world where the sun is dying and civilization survives on a narrow band of habitable land. The Sweet Mercy Convent trains girls in combat, poisons, and magic derived from four bloodlines: hunska, gerant, marjal, and quantal. Nona's journey through her training forms the core narrative, as she develops her abilities while facing threats from both inside and outside the convent walls. The world of Abeth is caught in an ice age, with only a narrow corridor kept warm by an artificial moon. The political landscape features noble houses vying for power, while the church maintains its own sphere of influence through its warrior nuns and vast resources. The series explores themes of loyalty, friendship, and the nature of faith against the backdrop of survival in a harsh world. Through its focus on an all-female religious order, it examines power structures and the different forms strength can take.

Readers highlight the complex female friendships, detailed magic system, and character development of nuns-in-training at the Convent of Sweet Mercy. Many note Sister Cage as a memorable protagonist who evolves from a street thief to a skilled fighter. Positive comments focus on: - Tight pacing and action sequences - World-building, particularly the ice corridor setting - Balance of violence and humor - Treatment of female relationships without romance focus Common criticisms: - First 100 pages can feel slow - Some find the magic system explanations too technical - Violence level makes some readers uncomfortable Ratings: Goodreads: 4.2/5 (50,000+ ratings) Amazon: 4.6/5 (3,000+ ratings) BookBrowse: 4.5/5 Reader quote: "The friendship between Nona and Ara is one of the most authentic portrayals of teenage girls I've read." - Goodreads reviewer Several readers compare it favorably to Nevernight but note Book of the Ancestor has less graphic content.

The Priory of the Orange Tree by Samantha Shannon A tale of women warriors trained in combat and magic at an ancient religious institution where they serve as protectors of the realm.

Nevernight by Jay Kristoff A story follows a girl's training at an assassin school where she learns combat, poisons, and blade work while uncovering dark secrets.

Throne of Glass by Sarah J. Maas The journey of an imprisoned assassin who enters a competition to become the king's champion while training among other killers in a glass castle.

The Poppy War by R. F. Kuang A war orphan studies at an elite military academy where she discovers shamanic powers while preparing for an inevitable conflict.

The Black Magician Trilogy by Trudi Canavan A girl from the slums joins a prestigious magic academy where she develops forbidden powers while navigating political intrigue.

🔴 The series is set on a planet called Abeth, which is slowly freezing due to a dimming red sun, leaving only a narrow habitable strip of land along the equator called "the Corridor." 🔴 Author Mark Lawrence wrote the entire first book, "Red Sister," without any chapter breaks, though they were added later during the editing process. 🔴 The magic system in the series is based on four distinct bloodlines: Hunska (speed), Gerant (size), Marjal (elemental), and Quantal (mental powers), with some characters inheriting multiple traits. 🔴 Before becoming a full-time writer, Mark Lawrence worked as a research scientist in artificial intelligence and was employed by the British Ministry of Defence. 🔴 The series draws inspiration from various religious orders throughout history, particularly medieval convents, but subverts traditional expectations by creating an order of warrior nuns who are trained in both devotion and deadly combat.