1977 - Plants Food and People (Paperback) ISBN-13: 9780716703778 ISBN-10: 0716703777 Genre: Business & Money ? 1977 - Plants Food and People [A Series of books in biology] (Hardcover) ISBN-13: 9780716703785 ISBN-10: 0716703785 ? Plants Genes and Agriculture (Hardcover) ISBN-13: 9780867208719 ISBN-10: 0867208716 Genres: Science & Math, Engineering & Transportation ? |