books by subject
Nature References

Simple Earth Science Experiments with Everyday Materials

Quick-but-great Science Fair Projects (Science Fair Projects S.)

50 Ways to Save the Earth

Insects and Spiders (Encyclopedia of the animal world series)

The Dinosaur Data Book

The Young Gaia Atlas of Earthcare: An Illustrated Reference Guide to Looking after Our Planet

Desert: First Step Habitats Series

Moon Book (Avenues)

A Meaningful World: How the Arts and Sciences Reveal the Genius of Nature

Development Research: The Environmental Challenge

Landscape in History (Picture History S.)

The Pacific Ocean (Seas And Oceans)

Reference Library (Key Facts)
Geography: Dictionary (Key Facts)

Plants Through the Seasons

The Guinness Encyclopedia of the Human Being

Growing Under Glass

Pkt Gde Mushrooms

The Astronomy Encyclopaedia

Natural Wonders of the World

Thank You for a Book to Read (The "thank you" series)

The Maths Handbook: Everyday Maths Made Simple

Science in Seconds

Creepy Crawlies, discover bugs through the magnifying glass. Kids Gift (Igloo Books Ltd) (Look Closely 2)

How Your Body Works (Children's World)
Spaceflight (Young Scientist S.)

Jets (Usborne Young Scientist S.)

Undersea (Young Scientist S.)

Book of Stars and Planets (Usborne Young Scientist S.)
