A new generation of illustrated pocket books, systematically organized for easy access to information. And contains diagrams, charts, maps, glossary, and index.'
Tell about the need to care for every aspect of the natural world.'
Want to know the secret of eternal life, meet beings from another galaxy, or learn to build a rocket? The book is a first-aid manual for planet Earth. Joiin the fight against polluting chemicals, help mend the ozone layer, and save endangered wildlife.'
Why do the pelicans come to the lake?