Volume 27 - The Secret Of Skull Mountain - Major Format Types
Hardy Boys Cover Art Hardy Boys Cover Art
#YearsTextCoverSpineArtEPs
A1948-51OriginalBrownWrapTandyOrange Gretta
B1952-58 Tan   
C1958-62    Brown multi scene
D1962-65 PCBlue  
E1966-79revised  NappiWhite multi scene
F1979-87    Cameo
G1987-Date Flashlight PC  Blank
Major Variants
1959 - off-center cut, dark brown multi scene endpapers

All Editions For Sale