Publication Order of Code Busters Club Books

The Secret of the Skeleton Key

The Haunted Lighthouse

The Mystery of the Pirate's Treasure / Secret Treasure of Pirate Cove

The Mummy's Curse

The Hunt for the Missing Spy

The Secret of the Puzzle Box

A Disappearance in Magicland

The Science Fair Scheme

The Haunting of Mystery Mansion

Clash of the Secret Code Clubs

Escape from Bigfoot

The Search for the Missing Mascot