As a(nother) fellow New Yorker and Urban Fiction writer, I'll overlook your being a Knick fan. <g>
The following is a shortlist, in no particular order, of some pretty good Urban Fiction:
Ann Petry "The Street"
Robert "Iceberg Slim" Beck "Trick Baby"
Donald Goines "Daddy Cool"
Chester Himes "If He Hollers Let Him Go"
Sister Souljah "The Coldest Winter Ever"
Solomon Jones "Ride or Die"
Solomon Jones "C.R.E.A.M"
Danielle Santiago "Little Ghetto Girl"
Those ought to keep you busy for a while. Also check out ghettoheat.com
Ghetto Heat is headquartered in Harlem, your neck of the woods, so you may want to consider getting in touch with them. Best wishes, and happy reading!