Buku yang Dikarang by Penny Warner

Ladies Night

Rock-a-Bye Baby

The Hunt for the Missing Spy

The Secret of the Puzzle Box

The Secret of the Skeleton Key

The Haunted Lighthouse

The Science Fair Scheme

The Haunting of Mystery Mansion

The Mummy's Curse

The Mystery of the Haunted Caves

The Hunt for the Missing Spy

The Haunted Lighthouse

Clash of the Secret Code Clubs

The Mystery of the Pirate's Treasure