Hal John Norman

Lucas and Mark find themselves exposed to anthrax when they adopt a horse.

Seven condemned murderers escape and take over the town of North Fork.

Adam rides up on some Indians wanting to harm a white woman they believed was a mountain spirit. He kills them but not before they wound him. The woman nurses him back to health but the rest of the tribe is still out there looking for her.

Hardie must protect a senator from angry ranchers.

The family's robot is seemingly replaced when Will repairs a robotoid from an advanced civilization - until the new machine wreaks havoc by trying to take over the ship.

Hardie is sent to jail in order to catch a criminal.