13

The Compulsive Communicators

1979-04-10

12

Life in the Trees

1979-04-03

11

The Hunters and Hunted

1979-03-27

10

Theme and Variations

1979-03-20

9

The Rise of the Mammals

1979-03-13

8

Lords of the Air

1979-03-06

7

Victors of the Dry Land

1979-02-27

6

Invasion of the Land

1979-02-20

5

Conquest of the Waters

1979-02-13

4

The Swarming Hordes

1979-02-06

3

The First Forests

1979-01-30

2

Building Bodies

1979-01-23

1

The Infinite Variety

1979-01-16