Nightfall
Shannon Messenger
Keeper of the Lost Cities (6)
The Crown of Ptolemy
Rick Riordan
Demigods and Magicians (3)
How to Cheat a Dragon's Curse
Cressida Cowell
How to Train Your Dragon (4)
The Mark of Athena
The Heroes of Olympus (4)
The Red Pyramid
The Kane Chronicles (1)
How to Speak Dragonese
How to Train Your Dragon (3)