# | Book Title | Author | ||
---|---|---|---|---|
1 | Secret of Terror Castle, The | Arthur, Robert | ||
2 | Mystery of the Stuttering Parrot, The | Arthur, Robert | ||
3 | Mystery of the Whispering Mummy, The | Arthur, Robert | ||
4 | Mystery of the Green Ghost, The | Arthur, Robert | ||
5 | Mystery of the Vanishing Treasure, The | Arthur, Robert | ||
6 | Secret of Skeleton Island, The | Arthur, Robert | ||
7 | Mystery of the Fiery Eye, The | Arthur, Robert | ||
8 | Mystery of the Silver Spider, The | Arthur, Robert | ||
9 | Mystery of the Screaming Clock, The | Arthur, Robert | ||
10 | Mystery of the Moaning Cave, The | Arthur, Robert | ||
11 | Mystery of the Talking Skull, The | Arthur, Robert |