Thriller scribe sophie katz is as hard-boiled as a woman who drinks grande caramel brownie frappuccionos can be; Maybe It's from a lifetime of fielding dumb comments about her half-black, half-jewish ethnicity. ("My Sist...Thriller scribe sophie katz is as hard-boiled as a woman who drinks grande caramel brownie frappuccionos can be; Maybe It's from a lifetime of fielding dumb comments about her half-black, half-jewish ethnicity. ("My Sister's married to a polynesian! I just love your culture!") so sophie Knows It's not paranoia, or post-divorce, living-alone-again jitters, when she becomes convinced that a crazed reader is sneaking into her apartment to reenact scenes from her books.