. . . "Textbooks, grade 5"@en . . "Geography : tools and concepts"@en . "Geography : tools and concepts" . . . . . . . . . . . "World explorer"@en . "World explorer" . . . . . . . "Textbooks"@en . . . . . . "Geography tools and concepts"@en . . . . . . . . . "Prentice Hall World explorer" . . .