Novels
The Mystery of Seneca Hill (1961)
The Mystery of the Buried Indian Mask (1962)
Mystery of the Marble Zoo (1964)
Mystery At Star Lake (1965)
Adirondack Mountain Mystery (1966)
Mystery of the Missing Stamps (1967)
Danger At Niagara (1968)
Freedom Crossing (1969)
Mystery Horse (1972)
Death At Their Heels (1975)
Mystery of Sebastian Island (1976)
Mystery in the Flooded Museum (1978)
Barney and the UFO (1979)
aka The Boy from the UFO
Who Stole Kathy Young? (1980)
The Boy from the UFO Returns (1981)
aka Barney in Space
Barney On Mars (1983)
The Latchkey Mystery (1985)
The Mystery of the Buried Indian Mask (1962)
Mystery of the Marble Zoo (1964)
Mystery At Star Lake (1965)
Adirondack Mountain Mystery (1966)
Mystery of the Missing Stamps (1967)
Danger At Niagara (1968)
Freedom Crossing (1969)
Mystery Horse (1972)
Death At Their Heels (1975)
Mystery of Sebastian Island (1976)
Mystery in the Flooded Museum (1978)
Barney and the UFO (1979)
aka The Boy from the UFO
Who Stole Kathy Young? (1980)
The Boy from the UFO Returns (1981)
aka Barney in Space
Barney On Mars (1983)
The Latchkey Mystery (1985)
Non fiction show