# | Book Title | Author | |
---|---|---|---|
1 | Mystery of the Madman at Cornwall Crag, The | Carlson, Dale Bick | |
2 | Secret of Operation Brain, The | Carlson, Dale Bick | |
3 | Mystery of the Lost Princess, The | Carlson, Dale Bick | |
4 | Mystery of Galaxy Games, The | Carlson, Dale Bick |