Top Secret - Gardiner, John Reynolds, and Gardner, John Reynolds

Despite the disapproval of his parents and his formidable science teacher, nine-year-old Allen determines to do his science project on human photosynthesis.

Top Secret 1995, Little, Brown Books for Young Readers, New York, NY

ISBN-13: 9780316303637

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Top Secret 1995, Turtleback Books, New York, NY

ISBN-13: 9780833557704

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Top Secret 1995, Turtleback Books, Boston, MA

ISBN-13: 9780606083140

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Top Secret 1987, Skylark Books

ISBN-13: 9780553157338

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Top Secret 1987, Yearling Books

ISBN-13: 9780553154764

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Top Secret 1985, Little Brown and Company, Boston, MA

ISBN-13: 9780316303682

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