Pushing Up Daisies by Rosemary Harris
Paula Holliday decides to leave the stressful life of a television executive in Hollywood, and moves to the quiet town of Springfield, Connecticut, and hangs up her shingle as a gardener/landscaper.
Acting on a tip from a friend, she approaches the Springfield Historical Society for the contract on an estate whose owner recently died. Although a bit surprised when he awards it to her right away, she doesn't waste time getting started.
Unfortunately, on her first day there, she digs up the corpse of a baby. When the police don't seem to be terribly interesting in the baby's identity, Paula begins her own investigation.
I really like Paula. Leaving the Hollywood life behind to be a gardener makes perfect sense to me, and gardening does appear to be her calling. The other characters are well-rounded and interesting...and as unpredictable as Paula herself.
There are two more books planned for the series, and I'm looking forward to them.