. . . . . . . "The Day of the Triffids" . . . . . . . . . . . "The Day of the Triffids" . . . . . . "Seeds of Extinction" . "304" . . . . "152201380" . . . . . . . "1951 novel of the same name" . . . "of the same title" . . . . . . . . . . . . "0-7181-0093-X" . . . "1951 novel" . . . . . . . . . "the novel" . "on the book of the same name" . . . . . . . . . . .