39 Clues
Cahills vs. Vespers
Unstoppable
Doublecross
1. First Hero
Chasing Evil
3. Call to War
4. Fire and Fury
Bailey Flanigan Series, by Karen Kingsbury1. Beautiful Creatures
2. Beautiful Darkness
3. Beautiful Chaos
4. Beautiful Redemption
Brian's Saga, by Gary Paulsen1. Clockwork Angel
2. Clockwork Prince
3. Clockwork Princess
Confessions of Georgia Nicolson, by Louise Rennison
Defy Series, by Sara B. Larson
1. Defy
2. Ignite
3. Edure
Divergent trilogy, by Veronica Roth1. Raising Dragons
2. The Candlestone
3. Circle of Seven
4. Tears of a Dragon
The Enchanted Forest Chronicles, by Patricia C. Wrede1. Eye of the Oracle
2. Enoch's Ghost
3. Last of Nephilim
4. The Bones of Makaidos
Fire and Thorns, by Rae Carson1. The Girl of Fire & Thorns
2. Crown of Embers
3. The Bitter Kingdom
Forgotten Realms: Legend of Drizzt, by R. A. Salvatore1. Gingerbread
2. Shrimp
3. Cupcake
The Graceling Realm1. Shadow and Bone
2. Siege and Storm
3. Ruin and Rising
Harry Potter series1. Hereafter
2. Arise
3. Elegy
The Hitch Hiker's Guide to the Galaxy, by Douglas Adams1. Hunger Games
2. Catching Fire
3. Mockingjay
Hush, Hush series, by Becca Fitzpatrick1. Hush Hush
2. Crescendo
3. Silence
4. Endure
The Immortals series, by Tamora Pierce1. The Wishing Spell
2. The Enchantress Returns
3. A Grimm Warning
4. Beyond the Kingdom
Last Dragon Chronicles, by Chris D'Lacey1. The Iron Trial
coming soon....
2. The Copper Guantlet
3. The Cosmos Blade
4. The Golden Boy
5. The Enemy of Death
Matched series, by Ally Condie1. Matched
2. Crossed
3. Reached
Maximum Ride Series1. Raven Boys
2. The Dream Thieves
3. Blue Lily, Lily Blue
Redwall, Brian Jacques (in chronological order)