Issue · Charlton Thunderbolt (1966) #54 Released Aug 1, 1966 USD $0.12 36 pages PencillerPete Morisi InkerPete Morisi Next in Thunderbolt (1966) #55 Oct 1, 1966 #56 Dec 1, 1966 #57 Mar 1, 1967 #58 · Enters The Prehistoric Valley... Lost In Time! May 1, 1967
