. . "Juvenile works"@en . . . . . . "Yu gong yi shan"@en . "Xiao niao xue zuo wo"@en . "小鳥學做窩 = How to build a nest" . "Children's stories"@en . . . . "Xiao niao xue zuo wo = How to build a nest" . "How to build a nest [and] Moving the mountain = Xiao niao xue zuo wo [yu] Yu gong yi shan"@en . "Moving the mountain"@en . .