Here are the subway directions:
F to Fourth Ave./9th St.
or
R to 9th Street at Fourth Ave. (Brooklyn)
From the F train, walk up to 5th avenue along 9th Street, then take a left on 5th Avenue. At the corner of 4th street, you will see the House glowing in the center of the park. There should be no problem walking into the site at twilight or after dark (this information is from the hosts at The Old Stone House).
Also, there is parking on the streets around JJ Byrne Park.
The website for the venue is
www.theoldstonehouse.org and their phone number is 718-768-3195. The host will be Louise Crawford, curator of Brooklyn Reading Works.
Terese