1957- adventurers alaska antarctica arcticregions autobiography beargrease biography cairnterrier canada chiens dave descriptionandtravel discoveryandexploration dogs ecosystems explorers fiction golddiscoveries habitats history john journeysflowers juvenilefiction juvenileliterature largetypebooks lettercarriers livresd'imagespourenfants minnesota mushers nativepeoples nature northern northwestterritories nouvelles ojibwaindians outdoorlife pam polarregions prejudices raciallymixedpeople readinglevel-grade5 readinglevel-grade6 readinglevel-grade7 readinglevel-grade8 reves romans sleddogs snowcamping travel travelolesen unitedstates voyagesandtravels winter