Cycles of life

A simple introduction to the life and life cycles of pond animals throughout the year.

An introduction to the causes and effects of the different seasons.

An introduction to the causes and effects of the different seasons of the year.

Describes the stages of development in the life of a tree, from seed to full-grown plant.

Describes the process of evolution, beginning with single-celled organisms and culminating with the appearance of man.

Describes the processes used by five kinds of animals in building their shelters: a wasps' nest, weaverbird nest, woodpecker nest, beaver lodge, and badger sett.

Time-lapse illustrations, a split-page format, and simple text teach young readers about the cycle of life.

Explains how blood circulates in our bodies and the specific roles that the heart, lungs, and blood vessels play.

Describes the stages of a long-eared owl's life, from mating and hatching chicks through learning to hunt and finally leaving the nest.

Explains the process of hibernation, describing how a dormouse prepares for the long sleep.