The Usborne science encyclopedia (Updated ed)

This is an outstanding science resource which can be enhanced by visiting any of over 1,000 recommended, regularly reviewed web sites, or which stands alone as a complete, self-contained reference tool.

It covers the whole field of science, including physics, chemistry, biology, information technology, earth sciences and astronomy.

With up-to-date information on new fields such as genetic engineering, nanotechnology and the safeguarding of the environment.

Each recommended web site is accompanied by a brief description of what you will find there and why we think it is worth visiting, from dissecting a frog to designing your own rollercoaster.

It is thematically arranged with an intelligent system of cross-referencing and an extensive reference section including charts, glossary and a full index.