The Orcus Games: Blood Moon (The Orcus Games Novella Trilogy #1)
by Louise Herman
series
genres Historical
years 2013
The Redemption Trilogy
by A. J. Sikes
series Redemption Trilogy
genres Other2
years 2020
The Keeper's Heritage
by Trenna McMullin
series The Crystal Trilogy
genres Other2
years 2016
The Scrying (The Scrying Trilogy Book 1)
by Jaci Miller
series
genres Other2
years 2017
The Warrior Race Trilogy BoxSet
by T. C. Edge
series The Warrior Race
genres Other2
years 2019
The House of Admetus: Eumelus, The Lost Trilogy of Plays by Agathon
by Steve Matthew Benner
series
genres Science
years 2014
The Xillian Trilogy (The Xillian Rebellion)
by Maia Tanith
series
genres Other2
years 2020
The Fear Trilogy
by Blake Crouch
series The Fear
genres Suspense
years 2013
The Ravenous Siege (Epic of Haven Trilogy Book 2)
by R. G. Triplett
series
genres Other2
years 2016
The Two Confessions
by John Whitbourn
series The Pevensey Trilogy
genres Other2
years 2014
The Council of Hhearn Trilogy Box Set
by P F Walsh
series The Council of Hhearn
genres Other2
years 2020
The Eld Queen (The YaraStar Trilogy Book 2)
by Jeanelle Frontin
series
genres Other2
years 2019
The Corps of Discovery Trilogy Box Set: Books 1-3: A multiverse series of alternate history
by James S. Peet
series
genres Other2
years 2021
The Cairo Trilogy: Palace Walk, Palace of Desire, Sugar Street
by Naguib Mahfouz
series
genres Literature
years a long time ago
The Accidental Gatekeeper (The Accidental Midlife Trilogy Book 1)
by Carla Rehse
series
genres Other3
years 2021
The Book of Eadie, Volume One of the Seventeen Trilogy
by Mark D. Diehl
series
genres Other3
years 2018
The Elizabeth Tudor Conspiracy
by Alexandra Walsh
series Marquess House Trilogy
genres Other3
years 2019
The Sagittarius Whorl: Book Three of the Rampart Worlds Trilogy
by Julian May
series
genres Science
years 2001
The Sunken City Trilogy
by Phil Williams
series The Sunken City
genres Fiction
years 2019
The Wild Child
by Mary Jo Putney
series The Bride Trilogy
genres Romance
years 1999