Red cat

This riveting mystery finds Private Investigator John March descending into Manhattan's dark and scandalous underworld to help a member of his own family. David March, John's brother, has been having affairs with anonymous women he meets on the internet. Now one of these women is stalking him. David knows her only as Wren. She, however, knows everything about David--and she's threatening to tell his wife and colleagues, ruining his life. With his marriage, career, and reputation at stake, David asks John to find her. What John discovers is there is more to Wren than David knows. She's an…