The two volume Encyclopedia contains 360 articles covering every topic in the field. The authors encourage learning through the use of appropriate scientific terms, explaining them in the text and illustrating them in the drawings, charts, and photos. Written specifically for the school science curriculum, the Encyclopedia offers a complete overview of the earth sciences. Students and readers without a technical background will feel comfortable with the text, but the authors have also been careful to provide thorough information to satisfy a teacher's curiosity or need for information. Areas of coverage include:

Astronomy
Biology
Earth Processes
The Environment
Geology
Natural Resources
and more.