"Introduces the plant life cycle. Readers will gain insight into the journey from seed to plant, why plants are important to living things, and how pollution can damage plants." -- From publisher's website.

Introduces the life cycle of animals, including different types of animals, how they grow and change, and the pattern of life and death.

"Introduces the cycles of seasons and their impact on Earth. Readers will gain insight into how Earth's tilt plays an important role, how the hemispheres are effected differently, and what happens when seasons are disturbed." -- From publisher's website.

Introduces the cycles of the night sky, including why the night sky changes, different constellations, and discover how the moon is involved.