Volume 21 - The Clue Of The Broken Blade - Major Format Types
#
Years
Text
Cover
Spine
Art
EPs
A
1942-50
Original
Brown
Yellow
Laune
Orange Gretta
B
1951-58
 
Tan
 
 
 
C
1959-61
 
 
 
 
Brown multi scene
D
1962-66
 
PC
Blue
Leone
 
E
1967-69
 
 
 
Nappi
 
F
1971-79
revised
 
 
Nappi (2)
White multi scene
G
1979-87
 
 
 
 
Cameo
H
1987-Date
 
Flashlight PC
 
 
Blank
Major Variants
1959 - off-center cut, dark brown multi scene endpapers
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