Night Smoke by Nora Roberts
He had a reputation for being abrasive, aggressive and annoying, but if Natalie Fletcher was going to save her business, she needed arson investigator Ryan Piasecki's help. A firebug had targeted the classy executive and was determined to see her company burn.
The clock was ticking for Natalie. Would Ryan find the man responsible before the firebug finished his vendetta - and brought her down?