The Man in the Maze

Treason

New Earth

The Winds of Altair

Nightwings

Flinx's Folly

Mars, Inc.: The Billionaire’s Club

March to the Stars

Voyagers II: The Alien Within

The Ship of Ishtar

The Praxis Triad: Investments, The Stickpin, and Impersonations

Venus

Farside

The Book of Dreams

The Killing Machine

The Star King

The Palace of Love