Issue · Blackthorne Dick Tracy Monthly (1986) #20 Released Oct 1, 1987 USD $2.00 36 pages WriterChester Gould PencillerAndy Ice InkerChester Gould ColoristShel Dorf Next in Dick Tracy Monthly (1986) #21 Oct 1, 1987 #22 Nov 1, 1987 #23 Nov 1, 1987 #24 Dec 1, 1987