  1991 - How Do You Know It's True Discovering the Difference Between Science and Superstition (Paperback) ISBN-13: 9780879756574 ISBN-10: 0879756578 Genres: Teen & Young Adult, Science & Math ?  1990 - Clear Thinking a Practical Introduction (Paperback) ISBN-13: 9780879755942 ISBN-10: 0879755946 Genres: Health, Fitness & Dieting, Nonfiction 1       How a Rock Came to Be in a Fence on a Road Near a Town (Other) ISBN-13: 9780802761613 ISBN-10: 0802761615 ?  How a Rock Came to Be in a Fence on a Road Near a Town (Other) ISBN-13: 9780802761620 ISBN-10: 0802761623 Genre: Science & Math ?   |
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