What is the first novel of  an American crime writer who is also a recent author with Blanvalet
Karin Slaughter Karin Slaughter (born January 6, 1971) is an American crime writer, whose first novel "Blindsighted" (2001) became an international success, was published in almost 30 languages, and made the Crime Writers' Association's Dagger Award shortlist for "Best Thriller Debut" of 2001. She is the author of sixteen novels, and her most recent novel, "The Good Daughter", was published in 2017. Slaughter has sold more than 35 million copies of her books, which have been published in 36 languages. Her books have debuted at #1 in the United Kingdom, Germany, and The Netherlands.
Matthew B. J. Delaney Matthew B. J. Delaney (also known as; Matthew B Delaney) is an American writer and member of the New York City Police Department. Originally from Sudbury, Massachusetts, Delaney now resides in New York City.