An Excellent Con from Liza Cody

Gimme More, by Liza Cody
Liza Cody is mainly known for detective novels, the Anna Lee mysteries: Dupe, Bad Company, Head Case, Stalker, Under Contract and Backhand.
This is one of a handful of other novels. It's an exciting and fast-paced con-game story about Birdie Walker, an aging but still attractive rock widow who has long-standing issues with record company moguls. The bigwigs are trying to enlist her input for a retrospective film about her deceased megastar husband, Jack. She is trying to protect something but it is not clear what. Her sister, her niece, and her one ally in the business, a sound engineer who has semi-retired to New Orleans, are all drawn into the scheming and mind-games. Then the corporate bad guys up the stakes by sending in a young, naive but ambitious chancer to act as a honeypot to Birdie's niece. In the end, it turns out to be sort of a detective story after all, and has a very gratifying surprise ending.