. . . . "The empty ark"@en . "The empty ark" . . "The Empty ark" . . . "An account of the author's World Wildlife Fund mission's to Africa, the Middle East, Asia, South America, and the Pacific to encourage wildlife conservation in lands where wild and rare animals still exist."@en . . . . . . . . . . . . . . . "An account of the author's missions to Africa, the Middle East, Asia, South America, and the Pacific to encourage wildlife conservation in lands where wild and rare animals still exist." . . "Wildlife conservation." . . "Wildlife conservation" . "Protecció de la natura." . . "Animals en perill d'extinció." . . "Rare animals." . . "Rare animals" . . .