14 books
Czar's Gold
The Library
Quentin James and the Queen of Magic
The Demon Hunters
Quentin James and the Battle for Edgewater
Quentin James and the Castle Adventurous
Ebenezer
Quentin James and the Witches' Eye
Cyber Sleuths
Quentin James and the Arctic Adventure
Quentin James and the Global War Games
Quentin James and the Jacobite Gold
Quentin James and the Loch of Arthur
Quentin James and the Undercover Agent