help, i found an old book  and i can't find any place i can go to to find out it's value.  info:

a green hard back book,  tiled: annotated english classics -  shakespeare's romeo and juliet  by rev henry n hudson lld.  published: 1882  publishing co:

ginn,heath,& co.       

can anyone tell me where to go to get  help on finding the value of this book?

thank you

 sherry