Volume 15 - The Sinister Sign Post - Major Edition Types
Hardy Boys Cover Art Hardy Boys Cover Art Hardy Boys Cover Art
#YearsTextCoverSpineArtEPs
A1936-43OriginalBrownYellowGrettaOrange Gretta
B1943-49   * 
C1950  WrapGillies 
D1951-58 Tan   
E1959-61    Brown multi scene
F1962-67 PCBlue  
G1968-79revised  NappiWhite multi scene
H1979-87    Cameo
I1987-Date Flashlight PC  Blank
Major Variants
1959 - off-center cut, Brown multi scene endpapers

* - glossy frontispiece replaced by plain paper c.1943

All Editions For Sale