Old Time Radio Greatest Detective 60 Programs The Shadow Sherlock Holmes & More. Philip Marlowe, Pat Novak. for hire, Boston Blackie, Dragnet, Gangbusters,Richard Diamond,Johnny Dollar, Tales Of The Texas Rangers and Many More. 60 programs, 30 hours. 20 audio cassettes.Featuring Rare episodes unearthed from the library of congress which have never been circulated.box is very good condition, tapes appear to very good, catalogue and a booklet guide