The Children's encyclopedia of Natural History

Childhood and Nature Design Principles for Educators

David Sobel

Dinosaurs A Children's Encyclopedia

DK

Gaia

and futurist) Lovelock James (Independent scientist environmentalist

Earth

Stephen marshak

Botany

Charles Kovacs

Das große Kinderwissen Erde, Pflanzen, Tiere, Weltall

unknown author

Naturens verden. Naturvitenskap for barn.

Flere

Naturens verden

Pascal Chauvel

The Ecology of Plants

Jessica Gurevitch

Juniorleksikon.

Neil Morris

A greener life

Clarissa Dickson Wright

The Usborne Internet-Linked Children's Encyclopedia

Felicity Brooks

Children’s Encyclopedia

Scholastic

First Ecology: Ecological Principles and Environmental Issues

Alan Beeby

The Natural World (The Usborne Illustrated Encyclopedia)

Lisa Watts

Heaven & Earth Unseen By The Naked Eye

Katherine Roucoux

The Children's Dinosaur Encyclopedia - A Comprehensive Look at the World of Dinosaurs with More Than 250 Superb Illustrations

Jinny Johnson

Vår utrolige verden

Jon Richards

Plant life

Roland Ennos

Environmental Geology

Edward A. Keller

The Pocket Encyclopedia of Mind, Body, Spirit and Earth

Joanna Crosse

World atlas of wildlife

Kart og land

Sue Hook

Naturleksikon

David Burnie

The Illustrated World Atlas Of Animals.

Blitz forlag

Livet i ørknen. Dyr, mennesker, planter

Lucy Baker

Natur- og miljøleksikon

Vitenskapens Verden 19: Jorden i fremtiden

Nigel Calder

Natural wonders of the world

Pj banyard

Norsk naturleksikon

Opplev naturen

Forlaget Det Beste

National Geographic Picture Atlas of Our Universe

Roy A Gallant

Nye Naturmagasinet

Sverre M.

The New World Library

Caxton Publishing

Naturvern

Ragnar Frislid

Verden omkring oss

J A Lauwerys et.al.

Landkunne for folkeskulen

Holmsen og

Naturkunnskap

A. Holmsen

Allverdens Fauna. De ville dyr og samspillet I naturen. Bind 7. Holarktisk region. Eurasia, Nord - Amerika.

div.