Nursery Crimes — Ayelet Waldman

A public defender turned stay-at-home mom, Juliet Applebaum is bored with playdates and trips to the park--so near the end of her second pregnancy, she gets off the mommy track to track down a murderer....

Juliet isn't too surprised when her feisty, tantrum-throwing two-year-old daughter doesn't get into Hollywood's premier preschool--but she's shocked and suspicious when the school's principal is killed in a hit-and-run accident. Against the advice of her screenwriter husband, and with her rambunctious toddler in tow, Juliet heads to the local playground to dig up some dirt on a disgruntled studio executive whose daughter wasn't offered a place in the school. But she has some surprising new suspects to consider when her investigation takes her into a seedy on-line newsgroup--and the most dangerous parts of the human heart....