Ling, Mary. Penguin / [book] - Richmond Hill, Ont. : Scholastic Canada, 1993. - 21 p. : col. ill. ; 21 cm. - See how they grow . - See how they grow (Richmond Hill, Ont.) . Written and edited by Mary Ling. ISBN: 0590748270 Nat. Bib. Agency Control No.: 930938534 Subjects--Topical Terms: PenguinsJeunes manchots (Oiseaux) Dewey Class. No.: j599.4/410439