. "Juvenile works" . . "Rhyming text and photographs of penguins teach the numbers one through twenty." . . . "A counting book which features photographs of penguins." . "Penguins 123" . "Penguins 123"@en . "Penguins one, two, three" . . . . . "Penguins one-two-three" . . "Penguins 1-2-3" . . . . . . . .