Find out in the front HOW old it is and then try and workout how much you would pay for it? Maybe ask a libarian. He/she would most-likely know. If not then have a wild guess.
Bookfinder.com is a good place to view what other people are asking for similar books. This is not the same as knowing what similar books have sold for, but it puts you in the range of value --unless...
You can determine the relative value of comic books by using the Overstreet Comic Book Price Guide as a reference ; it's well regarded as the industry standard . You can also check websites to see...