I have never been to Philadelphia. Traveling solo for three days and looking for interesting bistro style restaurants with excellent American style food....walking distance from Rittenhouse Square area. I realize this can mean a lot of things....but would like to know about restos/bistros loved by locals. When I am alone I like eating at the bar. Lunch and dinner options please. Also good coffee spots. Love good coffee :-) I am looking forward to discovering Philadelphia. Thanks.