A loosely-connected series of thin pulps that were (mainly) numbered sequentially but varied between detective, romance and westerns, at least, and each of which had a different title. The series "title" was never listed in the table of contents, but was mentioned in advertisements for "other titles in the series".
The following issues are believed to belong to this series:
# 1 - New Western Stories
# 2 - New Detective Tales
# 3 - 3 Star Western Stories
# 4 - Action Detective Tales
# 5 - Double Action Western Stories
# 6 - On the Spot Detective Tales
# ? - Action Western Stories
# ? - Triple Action Detective Tales
# ? - Romance Stories
#10 - Frontier Western Stories
#11 - Cosmic Science Stories
#12 - Fast-Action Western Stories
#13 - Triple Action Detective Tales
#14 - Ace High Western Stories
#15 - Two-Gun Western Stories
#16 - Quick Action Detective Stories
# ? - Six-Gun Western Stories
#18 - Private Eye Detective Tales
Other titles may exist.
| 1949 | #1, New Western Stories |  #2, New Detective Tales |
 #3, 3 Star Western Stories |
 #4, Action Detective Tales |
 #5, Double Action Western Stories |
 #6, On the Spot Detective Tales |
|
| 1950 |  Action Western Stories |
 Romance Stories |
 Triple Action Detective Tales |
 #10, Frontier Western Stories |
 #11, Cosmic Science Stories |
||
| 1951 |  #12, Fast-Action Western Stories |
 #13, Triple Action Detective Tales |
|
| 1952 |  #14, Ace High Western Stories |
 #15, Two-Gun Western Stories |
 #16, Quick Action Detective Stories |
 #17?, Private Eye Detective Tales |
 #18?, Six-Gun Western Stories |