The Eternal Flame: Book 11

Atlantis Lost

Magisterium: The Iron Trial

Atlantis in Peril

Atlantis Rising

The Lost Hero (Heroes of Olympus Book 1)

Magisterium: The Copper Gauntlet

The Ancient One

Magisterium: The Golden Tower

The Merlin Effect

Magisterium: The Silver Mask

Magisterium: The Bronze Key

Heartlight

The Sorcerer of the North: Book Five

Tom Gates 8: Tom Gates: Yes! No. (Maybe...)

Nicholas St. North and the Battle of the Nightmare

The Edge Chronicles 1: The Curse of the Gloamglozer: First Book of Quint