Volume 36 - The Secret Of Pirates' Hill - Major Format Types
Hardy Boys Cover Art Hardy Boys Cover Art
#YearsTextCoverSpineArtEPs
A1956-58OriginalTanWrapNappiOrange Gretta
B1959-62    Brown multi scene
C1962-72 PCBlue  
D1972-79revised  Nappi (2)White multi scene
E1979-87    Cameo
F1987-Date Flashlight PC  Blank
Major Variants
1959 - off-center cut, dark brown multi scene endpapers
1964 & 1965 - blank endpapers

All Editions For Sale