Format 1: Blue Binding
  Known volumes: 1-58, Detective Handbook.
Format 2: Red Binding
  Known volumes: 2, 10, 27, 28, 36, 41, 47 (probably others).
Format 3: Brown Binding
  Known volumes: 11, 16 (probably others).
Format 4: Green Binding
  Known volumes: 5, 8 (probably others).
Format 5: Tweedy Red Binding
  Known volumes: Detective Handbook
  Thanks to Paul Mular.

Format 1

Format 2

Format 3

Format 4

Format 5 (Courtesy Paul Mular)