Space Opera

Veiled Alliances

The Luminous Hollow

Masters of the Vortex

Richard

Thief of Dreams

Cards of Grief

Seven Systems

Starworld

Reign of Four IV

Starfire: Memory's Blade

Reign of Four II

Reign of Four III

Up Against It

Terro-Human Future History (Complete SF Omnibus)

The First Men in the Moon

Dragon of the Stars

The Greatest Sci-Fi Books – Lester del Rey Edition

Beyond the Point of Unknown (Space Travel & Alien Contact Novels)

A Princess of Mars

The Gods of Mars