Gracestone, Katherine. What lays eggs? / Katherine Gracestone. - Chicago : McGraw-Hill, 2002. - p. ; 24 cm. - McGraw Hill book club. level 1 . - McGraw Hill book club. level 1. . ISBN: 9780072547467 Subjects--Topical Terms: Eggs.Tales.Masallar. Dewey Class. No.: 591.468