local p = {}
local year={}
year["1"]="1875"
year["2"]="1875"
year["3"]="1876"
year["4"]="1876"
year["5"]="1877"
year["6"]="1877"
year["7"]="1878"
year["8"]="1878"
year["9"]="1879"
year["10"]="1879"
year["11"]="1880"
year["12"]="1880"
year["13"]="1881"
year["14"]="1881"
year["15"]="1882"
year["16"]="1882"
year["17"]="1883"
year["18"]="1883"
year["19"]="1884"
year["20"]="1884"
year["21"]="1885"
year["22"]="1885"
year["23"]="1886"
year["24"]="1886"
year["25"]="1887"
year["26"]="1888"
year["27"]="1888"
year["28"]="1889"
year["29"]="1889"
year["30"]="1890"
year["31"]="1890"
year["32"]="1881"
year["33"]="1891"
year["34"]="1892"
year["35"]="1893"
year["36"]="1893"
year["37"]="1894"
year["38"]="1894"
year["39"]="1895"
year["40"]="1896"
year["41"]="1896"
year["42"]="1897"
year["43"]="1898"
year["44"]="1898"
year["45"]="1900"
year["46"]="1902"
year["47"]="1903"
year["48"]="1904"
year["49"]="1904"
year["50"]="1905"
year["51"]="1906"
year["52"]="1906"
year["53"]="1907"
year["54"]="1908"
year["55"]="1910"
year["56"]="1912"
function p.BookVolume (frame)
return year[frame.args[1]]
end
return p