This collectible series builds into a fascinating library of reference material, covering every aspect of Key Stage 2 science and beyond. When used in conjunction with www.usborne-quicklinks.com, the reader has direct access to all featured Web addresses, as well as a huge selection of free downloadable pictures for homework and projects. Other titles in this series include: Animal World, Light, Sound & Electricity, Earth & Space, Mixtures & Compounds, Forces, Forces, Energy & Motion, Materials and World of Plants.