#OnThisDay in 1973 #TheSpook debuted in #DetectiveComics #434 #MastermindOfEscapeAndBafflement #ModernHoudiniOfCrimeWorld #willEscapeYouFromPrisonForAFee #Batman’s captureOfRecentClient #BigTurkRamis 2takeHisPlaceUndercover backInJail & ambushTheSpook #theCliffhangerOfThisTwoParter