City Trilogy

Into Dust: The Industry City Trilogy - Book One

Second City Trilogy

His Dream of the Skyland: The Walled City Trilogy (Book One)

Second City Trilogy

Sunken City Trilogy

Ordshaw Books 1 - 3

Los Ritos del Agua / The Water Rituals (White City Trilogy. Book 2)

Los Señores del Tiempo / The Lords of Time (White City Trilogy. Book 3)

The New York Trilogy: City of Glass/Ghosts/The Locked Room

The Black Key

House of Flame and Shadow

The INTERNATIONAL BESTSELLER and the smouldering third book in the Crescent City series, from the creator of ACOTAR

Occupied City: Book Two of the Tokyo Trilogy

Golden City: The Realm Trilogy Book Three

City of Blades: Book Two of the Divine Cities Trilogy

The City of Man: A Trilogy

Sanctuary: Book One of the Darzins' Mill Trilogy

City of Stairs: Book One of the Divine Cities Trilogy

The Queen City: The Marquette Trilogy: Book Two

Reunions, Reflections, and Reconciliations: Book 2: The City of Nis Trilogy

The City and the Desert: The Commandment Trilogy Part 3

Noc City (The Complete Trilogy)

The Golden City: Book Three of the Fourth Realm Trilogy

The City of Seven Hills: being the first part of the Dwellers of the Night Trilogy

Nuevo Noir Trilogy: City of Devils, Sub Rosa, Skulldiggery

Crescent City Crime: The Trilogy

Two Moons Bakery: a trilogy of love stories in the city

Francis Trilogy of Thomas of Celano

The Life of Saint Frances, The Remembrance of the Desire of a Soul, The Treatise on the Miracles of Saint Francis

Unite My City

Caspak Trilogy; The Land That Time Forgot, the People That Time Forgot and Out of Time's Abyss. (Complete and Unabridged).

Wax Fruit Trilogy: Antimacassar City