A Playdate With Death — Ayelet Waldman

In between planning playdates and playing dress up, Juliet finally gets some much-needed kid-free time, working out at the local health club. It's going well. She's losing weight. She's even happy--until her personal trainer commits suicide.

A cheerful aspiring actor, Bobby Katz seemed to have it all--and Juliet can't believe he died at his own hand. She suspects there's a more sinister explanation--and that it may lie with his grieving fiancee, a recovering addict who just fell off the wagon. Or with his birth mother, a woman he recently started to look for. Always up for a task that will get her out of the house, Juliet keeps running down secrets--until, at last, she runs into the truth...