books by author
Knapp
Hydrogen and the Noble Gases (Elements S.)
World Weather, Climate and Climatic Change: Vol 11 (World Geography S.)
Sulphur (Elements)
Earth and Beyond (Science@School S.)
How Things Work: Vol 12 (Science in Our World S.)
Cities of the World: Vol 4 (World geography)
Sounds and Music: Vol 3 (Science in Our World S.)
World Industry and Making Goods: Vol 7 (World Geography S.)
Computers and Robots: v. 25 (Science in Our World S.)
The World's Changing Energy Supplies: 9 (World Geography S.)
Homes of the World: The Way People Live: Vol 2 (World geography)
Farms and the World's Food Supply: Vol 6 (World geography)
The Challenge of the Economics Environment (Advanced Geographies S.)
Grasslands (Caring For Environment)
Rivers and Lakes (Caring For Envrnmt) (Caring for Environments)
Glass (Materials Science)
Ceramics (Materials Science)
Science and Design: v. 23 (Science in Our World S.)
Geological Time: v. 7 (Earth Science)
The Earth's Resources: v.8 (Earth Science)
The River Book
Weather: v. 1 (Visual Science Encyclopedia S.)
November (WeatherWatch)
May: v. 5 (WeatherWatch)
June: v. 6 (WeatherWatch)
July: v. 7 (WeatherWatch)
August: v. 8 (WeatherWatch)
February: Vol. 2 (WeatherWatch)
March (WeatherWatch)
