Robert Arthur

The Secret of Terror Castle

Robert Arthur

1964

The Mystery of the Stuttering Parrot

Robert Arthur

1964

The Mystery of the Whispering Mummy

Robert Arthur

1965

The Mystery of the Green Ghost

Robert Arthur

1965

The Mystery of the Vanishing Treasure

Robert Arthur

1966

The Mystery of the Talking Skull

Robert Arthur

1969

The Science Fiction Hall of Fame -- Volume One

Robert Arthur

1970

The Mystery of the Fiery Eye

Robert Arthur

1967

The Secret of Skeleton Island

Robert Arthur

1966

The Mystery of the Silver Spider

Robert Arthur

1967

The Mystery of the Screaming Clock

Robert Arthur

1968

The Mystery of the Flaming Footprints

Robert Arthur

1971

The Secret of the Crooked Cat

Robert Arthur

1970

The Mystery of the Moaning Cave

Robert Arthur

1968

Ghosts And More Ghosts

Robert Arthur

1963

The three investigators

Robert Arthur

1992

Mystery and more mystery

Robert Arthur

1966

The Hugo Winners [volume I]

Robert Arthur

1962

Ginseng and other medicinal plants

Robert Arthur

1908

Dracula / Sign of Four

Robert Arthur

1897

Detection by Gaslight

Robert Arthur

1997

Decamerone

Robert Arthur

1516

The Three Investigators Mysteries (Three-in-one)

Robert Arthur

1993

The hoax of the twentieth century

Robert Arthur

1975

Going to Meet the Man

Robert Arthur

1965

Modern investment theory

Robert Arthur

1986

Deadfalls and Snares

Robert Arthur

2011

MYSTERY OF THE TRAIL OF TERROR (Three Investigators, No 39)

Robert Arthur

1991

THRILLER DILLER #6 (The 3 investigators)

Robert Arthur

1989