J wrote:
Can any members make a few suggestions for good used bookstores in
Philadelphia? I'd be coming in by train, just for the day, so they'd
have to be in the center city--say, between the Rosenbach and Lord &
Taylor's.

Thanks in advance.

I assume you've checked
http://www.geocities.com/evelynleeper/na-east.htm#philadelphia.

Note that Whodunit? is now a general used bookstore, though still with
an emphasis on mysteries.

--
Evelyn C. Leeper
A great many people think they are thinking when they are
only rearranging their prejudices. -William James