The Curse of the Ancient Mask and Other Case Files (Saxby Smart: Private Detective)

"My name is Saxby Smart and I'm a private detective. I go to St.Egbert's School, my office is in the garden shed, and these are my casefiles. Unlike most detectives, I don't have a sidekick - so that part I'm leaving up to YOU." 

In this series of stories, YOU can be the detective - Saxby presents you with the evidence, and poses some tricky questions...! The titles in this series are:

The Curse Of The Ancient Mask 
The Fangs Of The Dragon
The Pirate's Blood 
The Hangman's Lair
The Eye Of The Serpent
Five Seconds To Doomsday
The Poisoned Arrow
Secret Of The Skull