"Sierra Books." . . . "Walking softly in the wilderness : the Sierra Club guide to backpacking"@en . "Walking softly in the wilderness : the Sierra Club guide to backpacking" . . . . . "A guide with the latest information about camping gear and No Trace Camping." . . . . . . . . "これからのバックパッキング : シエラ・クラブからローインパクト法の提案" . . . . . . . . . . . "Korekara no bakkupakkingu : shiera kurabu kara rōinpakuto hō no teian"@ja . "Korekara no bakkupakkingu : shiera kurabu kara rōinpakuto hō no teian" . . . . . . . "Korekara no bakkupakkingu"@ja . . . . . . . . . . "Walking softly in the wilderness"@ja . . . . "Walking softly in the wilderness the Sierra Club guide to backpacking"@en . . . . "Walking softly in the wilderness"@en . . . . . . "A guide to gearing up and putting together a backpacking trip, traveling and making camp, camping with kids, winter camping, kinds of wilderness, and wilderness management plans." . "haikingu." . . "ハイキング" . "vandring." . . "Sierra Club (San Francisco)" . . "Wandāfōgeru." . . "ワンダーフォーゲル" . "vandreture." . . "Backpacking." . . "kyanpingu." . . "キャンピング" . "Randonnée sac au dos." . . "vandresport." . . "Sierra Club." . . . .