Growing Up WIth Science Volume 10: Moon: Oxidation/ Stuttman
Growing Up With Science Volume 12: Plankton: Pump/ Stuttman
Growing Up With Science Volume 9: Machine Tools: Monorail/ Stuttman
Growing Up With Science Volume 20: Typewriter: Voice Analysis/ Stuttman
Growing Up With Science Volume 13 : The Illustrated Encyclopedia Invention : Pyramids Resistors / Stuttman
Library Of Congress Catalogng In Publicaton Data
The New How It Works Volumen 27 : Thye New Illustrated Science and Invention Encyclopedia : Aerodynamics Aimmunology / Stuttman
Growing Up With Science Volume 21 : The Illustrated Encyclopedia Of Invention : Volcano Welding / Stuttman
Growing Up With Science Volume 14 : The Illustrated Encyclopedia Of Invention : Resonance Sea Erosion / Stuttman
Growing Up Science Volume 22 : The Illustrated Encyclopedia Of Invention : Wells and Springs Zoom Lens / Stuttman