Bernadette Simmons wasn't sure what to expect when she left L.A.--and her no-good, cheating boyfriend--to move back in with her family in New York. And her sister Libby had no idea what she was in for when she hired Bernie to work for her catering business. But in between cutting up canapés and dishing up desserts, the two find themselves in the midst of a mystery they can really sink their teeth into. . . It's only been a few days since Bernie and Libby started working together at A Little...