Now I know

Describes different kinds of fish and where and how they live.

Follows the development of a butterfly from egg through caterpillar and cocoon to maturity.

Text and illustrations describe various nocturnal animals and their habits.

A brief introduction to trees, which, growing all together, make a forest.

Brief text and pictures introduce some animals and plants that live in the ocean.

A brief introduction to dinosaurs : what they looked like and when and how they lived.

Simple text and illustrations describe the environment and the characteristics of different types of dinosaurs.

Brief text and pictures present different kinds of weather and suggest how to tell from the sky what the day may be like.

Brief text and illustrations explain the characteristics of different kinds of clouds.

Describes some of the characteristics of stars, those hot glowing inhabitants of space, of which the sun is but one.