Dangerous as Sin is an Amazon freebie. 10 full length romantic suspense novels by some notable authors:
Poison Evidence by Rachel Grant (Evidence #7)
Colder Than Sin by Toni Anderson (Cold Justice #12)
Resurrection by Katie Reus (Redemption Harbor #1)
Strike Through by Lousie Dawn (Strike Zone #1)
Off the Edge by Carolyn Crane (Associates #2)
Midnight Fever by Lisa Marie Rice (Men of Midnight #5)
Deeper Than the Ocean by Julie Ann Walker (Deep Six #4)
Nixon's Promise by Riley Edwards (Gemini Group #1)
Jagger by Amanda McKinney (Steele Shadow Investigations #1)
Shielding Gillian by Susan Stoker (Delta Team Two #1)
It contains a couple mid-series entries that I've been collecting and haven't seen previously free 