A time in Mark Feuerstein's adult life when he lived in apartment 9K in the building he grew up in, sandwiched between his parents' apartment, 9J, and his brother, sister-inA time in Mark Feuerstein's adult life when he lived in apartment 9K in the building he grew up in, sandwiched between his parents' apartment, 9J, and his brother, sister-inA time in Mark Feuerstein's adult life when he lived in apartment 9K in the building he grew up in, sandwiched between his parents' apartment, 9J, and his brother, sister-in