Legacy
Shannon Messenger
Keeper of the Lost Cities (8)
The Throne of Fire
Rick Riordan
The Kane Chronicles (2)
Keeper of the Lost Cities
Keeper of the Lost Cities (1)
The Last Olympian
Percy Jackson and the Olympians (5)
Unlocked
Keeper of the Lost Cities (8.50)
The Tyrant's Tomb
The Trials of Apollo (4)
The Sword of Summer
Magnus Chase and the Gods of Asgard (1)
Stellarlune
Keeper of the Lost Cities (9)
The Serpent's Shadow
The Kane Chronicles (3)
The Red Pyramid
The Kane Chronicles (1)
Percy Jackson's Greek Heroes
Percy Jackson's Greek Gods
Rick Riordan & John Rocco
Neverseen
Keeper of the Lost Cities (4)
Lucinda's Secret
Tony DiTerlizzi & Holly Black
The Spiderwick Chronicles (3)
The Lost Hero
The Heroes of Olympus (1)
Lodestar
Keeper of the Lost Cities (5)
How to Twist a Dragon's Tale
Cressida Cowell
How to Train Your Dragon (5)
How To Train Your Dragon: How to Betray a Dragon's Hero: Book ...
How to Train Your Dragon (11)
How to Train Your Dragon
How to Train Your Dragon (1)
How to Steal a Dragon's Sword
How to Train Your Dragon (9)
How to Speak Dragonese
How to Train Your Dragon (3)
How to Seize a Dragon's Jewel
How to Train Your Dragon (10)
How to Cheat a Dragon's Curse
How to Train Your Dragon (4)
How to Be a Pirate
How to Train Your Dragon (2)
Hero's Guide to Deadly Dragons
How to Train Your Dragon (6)
The Field Guide
The Spiderwick Chronicles (1)
The Crown of Ptolemy
Demigods and Magicians (3)
Camp Jupiter Classified
The Trials of Apollo (4.50)
The Burning Maze
The Trials of Apollo (3)