1956 And the Old Clipper Ship

1960 And the Mystery of the Little Mermaid

1963 And the Castle Rock Mystery

1963 And the Swiss Echo Mystery

1964 And the Sea Turtle Mystery

1966 At Pony Hill Farm

1967 At Lizard Cove

1968 And the Mystery of the Totem Faces

1969 And the Cowboy Mystery

Mystery Adventure Series