John D. MacDonald 
Key to the Suite [EPUB ebook] 

Corporate hatchetman Hubbard is on his way to an industry convention to carry out a termination — a fancy way of saying he’s about to toss a man and his family out in the street. But the convention is a modern Sodom of cheating husbands and ambitious wives, ready to put out as much as necessary to ensure their husbands’ jobs — and a plan is afoot to smear Hubbard …