  1978 - Penguins Whalers and Sealers a Voyage of Discovery (Hardcover) ISBN-13: 9780876633069 ISBN-10: 0876633068 Genre: Science & Math ?  The Seals and the Scientists (Hardcover) ISBN-13: 9780720605242 ISBN-10: 0720605245 Genre: Science & Math ?  The Life of Mammals 2 Vols [The Universe Natural History Series] (Hardcover) ISBN-13: 9780876631096 ISBN-10: 087663109X ? |
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