1989 - Silkworms [Lerner Natural Science] (Paperback) ISBN-13: 9780822595571 ISBN-10: 0822595575 Genre: Children's Books 2 1984 - Coral Reefs [Lerner Natural Science Book] (Other) ISBN-13: 9780822514510 ISBN-10: 0822514516 Genre: Children's Books ? 1981 - Penguins [Lerner Natural Science Book.] (Other) ISBN-13: 9780822514534 ISBN-10: 0822514532 Genres: Children's Books, Outdoors & Nature ? Frogs and Toads [Lerner Natural Science Book] (Other) ISBN-13: 9780822514541 ISBN-10: 0822514540 Genres: Children's Books, Science & Math, Outdoors & Nature ? |