arkham trilogy

Leaving Lymon - (The Finding Langston Trilogy) by Lesa Cline-Ransome

The Half Upon a Time Trilogy (Boxed Set) - by James Riley (Paperback)

Ruins - (Pathfinder Trilogy) by Orson Scott Card (Paperback)

Firewing - (Silverwing Trilogy) by Kenneth Oppel (Paperback)

The Sea of Trolls - (Sea of Trolls Trilogy) by Nancy Farmer (Paperback)

True Believer - (Make Lemonade Trilogy (Paperback)) by Virginia Euwer Wolff (Paperback)

Once Upon Another Time the Complete Trilogy (Boxed Set) - by James Riley

Blood Red Horse - (Degranville Trilogy) by K M Grant (Paperback)

Yellow Bird and Me - (163rd Street Trilogy) by Joyce Hansen (Paperback)

Countdown - (Sixties Trilogy) by Deborah Wiles

Finding Langston - (The Finding Langston Trilogy) by Lesa Cline-Ransome (Hardcover)

Bliss - (Bliss Bakery Trilogy) by Kathryn Littlewood (Paperback)

Revolution (the Sixties Trilogy #2) - by Deborah Wiles (Paperback)

Sunwing - (Silverwing Trilogy) by Kenneth Oppel (Paperback)

The Last Quest of Gilgamesh - (Gilgamesh Trilogy) by Ludmila Zeman (Paperback)

Circle - (The Shapes Trilogy) by Mac Barnett

The Secret of the Swamp King - (Wilderking Trilogy) by Jonathan Rogers (Hardcover)

The Door Within - (Door Within Trilogy) by Wayne Thomas Batson (Paperback)

13 Treasures - (13 Treasures Trilogy) by Michelle Harrison (Paperback)

Triangle - (The Shapes Trilogy) by Mac Barnett

Escape (Island Trilogy, Book 3) - (Island Trilogy (Korman)) by Gordon Korman (Paperback)

Ash Wins It All! (Pokémon: World Championship Trilogy #3) - by Jeanette Lane (Paperback)

The Bark of the Bog Owl - (Wilderking Trilogy) by Jonathan Rogers (Hardcover)

Sunker's Deep - (Icebreaker Trilogy) by Lian Tanner (Hardcover)