8 books • 3 series
Book #144: The Wild Man of Cape Cod
Book #167: Murder in the Nudist Club
Book #1: Dime Detective Magazine #1
Book #2: Dime Detective Magazine #2
Book #3: Dime Detective Magazine #3
Book #4: Dime Detective Magazine #4
Book #5: Dime Detective Magazine #5
Book #1: The Complete Cases of the Rambler, Volume 1