Braking Points Kate Reilly Mystery Series, Book 2.

Kate Reilly can't remember a worse time in her life, on track or off. She wrecks her race car at Road America in Wisconsin, sending a visiting NASCAR star to the hospital, and loses her cool on camera, only to end the day by discovering her boyfriend with a friend of hers-a now-dead friend. With little time to grieve, Kate finds herself the pariah of the racing world and the target of vicious e-mail messages, death threats, and a frenzy of blame...