Improper Bostonian columnist and man-about-town Jonathan Soroff celebrated the release of his new book, “Crimes of Fashion: Three Women. One Fashion Empire. Six Claws,” with a party at the W Lounge on Monday night. As far as we know, it’s not based on anyone local. Right, Jonathan?Mark Shanahan can be reached at email@example.com. Follow him on Twitter @MarkAShanahan. Meredith Goldstein can be reached at firstname.lastname@example.org. Follow her on Twitter @MeredithGoldste.