I have purchased an Ithaca Featherweight 20 ga as a Christmas present for my husband. Trying to find out when it was made. Serial number is 26245. I would also like to purchase a book with info on the Ithaca shotguns. Reading info from members I've ran across reference to a book by Walt Snyder, Featherweight Repeaters. I've found a couple copies but it is an expensive book - is it worth the money? Don't care to pay the price if the info is worth it. Appreciate all responses.