New Earth

The Winds of Altair

Nightwings

Typee: A Peep at Polynesian Life

Flinx's Folly

Star of Gypsies

Mars, Inc.: The Billionaire’s Club

King Solomon’s Mines

March to the Stars

Voyagers II: The Alien Within

The Praxis Triad: Investments, The Stickpin, and Impersonations

The Man in the Maze

Voyagers III: Star Brothers

Treason

Fury

Power Challenges

Power Failure

The Hittite