- Series: Oscar, Detective of Mars Series Record # 9923
- Oscar, Detective of Mars
- Oscar, Detective of Mars (1940) [SF] by James Norman
- Death Walks in Washington (1941) [SF] by James Norman
- Oscar Saves the Union (1941) [SF] by James Norman
- Oscar and the Talking Totems (1942) [SF] by James Norman
- Double Trouble for Oscar (1942) [SF] by James Norman