THE BLACK MASK PULP MAGAZINE FOR MAYY 1937 WITH CORNELL WOOLRICH STORY "I'LL NEVER PLAY DETECTIVE AGAIN" AND "CALL A DEAD MAN" BY W T BALLARD. OTHER MATERIAL BY WYATT BLASSINGAME, MAURICE BEAMS, DALE CLARK, ROGERT TORRRY ,H H STINSON AND C S MONTAYNE.   PULP IS COVERLESS WITH STIFF PAPER COPIED FRONT COVER AND SPINE, CONTENTS ARE COMPLETE AND IN GOOD CONDITION.  POSTAGE $8.50 IN THE UNITED STATES AND BY ARRANGEMENT OVERSEAS.