Boston area short term day care?

Hi All. My son (11 months) is watched M-F by my parents. They are going on a 2 week vacation in April, leaving us without childcare. Due to work obligations in that timeframe my husband and I are unable to stay home with him. We are looking for short term days care- those two weeks plus a few warm up days ahead of time. Does anyone have any ideas about how to begin the search? Are there day cares that have a week to week set-up? a nanny site someone can recommend? TIA